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Sunday, August 2, 2020

Astronauts successfully land on Earth after trip to International Space Station

The space capsule, financed by Elon Musk, carried two NASA astronauts on a two-month trip to and from orbit.

Bob Behnken and Doug Hurley have returned to Earth, landing on the waters of the Gulf of Mexico today. The astronauts rode on SpaceX’s Crew Dragon capsule spacecraft to the International Space Station and back.

“It’s been a great two months, and we appreciate all you’ve done as a crew to help us prove out Dragon on its maiden flight,” Hurley said.

READ MORE: NASA almost sent first Black man into space, new documentary reveals

The space capsule, financed by Elon Musk, carried two NASA astronauts on a two-month trip to and from orbit, something no person or exploration company has done before, according to Reuters.

“On behalf of the SpaceX and NASA teams, welcome back to Planet Earth. Thanks for flying SpaceX,” SpaceX mission control said upon splashdown.

The landing also makes Musk’s SpaceX the first private company to send humans to orbit.

The test flight serves as an end-to-end demonstration of SpaceX’s crew transportation system. Behnken and Hurley launched at 3:22 p.m. on Saturday, May 30, from Launch Complex 39A at the Kennedy Space Center.

A new era of human spaceflight is set to begin as American astronauts once again launch on an American rocket from American soil to orbit. This is the first launch of its kind since the conclusion of the Space Shuttle Program in 2011.  

READ MORE: Nasa removes Black US astronaut from Space Station mission

Hurtling at speeds of 17,500 mph, the capsule’s outer shell resisted the extreme heat of 3,500 degrees Fahrenheit. Fortunately, Behnken and Hurley experienced only 85 degrees Fahrenheit.

Boeing is on its way to becoming the second commercial ride provider for NASA, Tech Crunch reported.

NASA gave a combined total of nearly $8 billion to SpaceX and Boeing in 2014 to develop two space capsules.

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Nigeria: 'Taekwondo has taught me humility and tolerance'

Nigerian taekwondo fighter says that more and more women across the country are practicing the martial art.

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Lisa Bonet trends after ex-husband Lenny Kravitz celebrates her spouse Jason Mamoa’s birthday

Social media is abuzz over the ‘A Different World’ star’s taste in men

Lisa Bonet trended on social media over the weekend, though it was not because of a new soundbite from the celebrity or that the actress was cast in a new role.

Fans heaped praise at the Cosby Show cast member for her taste in men, and it all began with posts to Instagram and Twitter from her ex-husband, platinum-selling musician Lenny Kravitz.

Kravitz on Saturday shared a photo with his nearly 8 million followers on the platforms wishing actor Jason Mamoa, Bonet’s current husband, a happy birthday, followed by the message: “One family. One love.”

The post features a monochromatic photograph of the two men together.

View this post on Instagram

Happy Birthday @prideofgypsies. One family. One love.

A post shared by Lenny Kravitz (@lennykravitz) on

Mamoa, the lead man in Aquaman, replied: “Love you ohana. Miss u.”

“Ohana” is a Hawaiian term for “family.”

READ MORE: Jason Momoa reveals how his new role in ‘See’ has changed his relationship with Lisa Bonet

Bonet, 52, was married to the four-time Grammy-winner from 1987 to 1993. Together, they had one daughter, actress Zoe Kravitz. The star of A Different World has been with Mamoa since 2007. They officially tied the knot in 2017 and share two children.

Although Bonet and Kravitz divorced nearly three decades ago, Kravitz expressed in the past that he considers Mamoa family to him as he and Bonet maintained a close friendship.

“When we’re all together now, her man, [their] kids, Zoe, me, we’re all together and we’re one big, happy family,” Kravitz once said during a 2013 episode of Oprah’s Masterclass. “It’s beautiful and it just shows you what can be done.”

With the post, Twitter went into a frenzy with praise for Bonet for marrying two good-looking men.

READ MORE: Zoe Kravitz considered dropping her last name to escape parent’s legacy

Many want to know what her secret is so they can have the same fortune:

Others have contended that it’s Kravitz and Mamoa who are the fortunate ones:

Many also celebrated Kravitz’s and Mamoa’s successful blended-family dynamic.

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OKC Thunder players kneel, despite Oklahoma lawmaker’s threat to end tax breaks

State Rep. Sean Roberts says taking a knee during the national anthem is an ‘anti-patriotic act’

An Oklahoma state representative is fed up with athletes kneeling during the national anthem and is threatening to hold the Oklahoma City Thunder to account.

State Rep. Sean Roberts issued a warning to the NBA franchise on Friday, urging that the team stand for the playing of the song or he will lead a charge to strip tax benefits that the organization receives from the state, local news outlet KFOR-TV reports.

That, however, did not deter the team as members of the Thunder joined Utah Jazz members in kneeling during the playing of “The Star-Spangled Banner,” anyway.

Video footage of the scene was posted to Twitter by Salt Lake City Tribune writer Eric Walden, who noted that one referee stood during the anthem.

Since the shortened season resumed last week, nearly every player and coach in the basketball league has unified by taking a knee, as inspired by former San Francisco 49ers quarterback Colin Kaepernick, and wearing a “Black Lives Matter” t-shirt to make a statement against issues of police brutality and racial injustices in America.

READ MORE: NBA players kneel during national anthem at season reopening

Roberts, of Homity, Okla., made it clear that he doesn’t want the Thunder to take part in the pregame demonstration.

Players kneel before an NBA basketball game between the Utah Jazz and Oklahoma City Thunder on August 1, 2020, in the NBA bubble in Florida. (Photo by Ashley Landis – Pool/Getty Images)

“If the Oklahoma City Thunder leadership and players follow the current trend of the NBA by kneeling during the national anthem prior to Saturday’s game, perhaps we need to reexamine the significant tax benefits the State of Oklahoma granted the Oklahoma City Thunder organization when they came to Oklahoma,” Roberts said in a statement.

The Thunder took the liberty of showcasing players’ reasoning to participate in the protest, posting a video to Twitter later that night with the caption: “For equality.”

READ MORE: Orlando Magic’s Isaac is the first player not to kneel during anthem

“Man, it was special, you know, to be able to do that together,” Chris Paul, Thunder point guard, said in the roughly one minute clip. “As players, we had a lot of conversations about coming down here and, you know, the bigger reason of what we [were] playing for, so to do it on a united front was nice.”

Paul also serves as president of the National Basketball Players Association.

Georges Niang #3 of the Utah Jazz guards Chris Paul #3 of the Oklahoma City Thunder during the first half of an NBA basketball game on August 1, 2020 in the NBA bubble in Florida. (Photo by Ashley Landis – Pool/Getty Images)

Ever since the NBA season returned Thursday from a four-month hiatus caused by the novel coronavirus pandemic, a majority of players and coaches alike have been kneeling during the anthem in a nod to the “Black Lives Matter” movement.

Roberts expressed in his statement that he opposes the movement, claiming that it has “ties to Marxism” and is trying to “destroy nuclear families.”

Furthermore, Roberts framed the protest as an “anti-patriotic act” that displays “disrespect to the American flag and all it stands for.”

The lawmaker, who was first elected in 2011, also believes that the NBA’s support of the stance that players are taking proves the league supports efforts to defund the police.

Roberts highlighted that the Thunder organization is under contract through the Quality Jobs Act to receive tax breaks through 2024. He raised the idea of diverting the potential tax revenue to law enforcement, should the Thunder no longer be granted the tax relief.

“Perhaps these funds would be better served in support of our police departments rather than giving tax breaks to an organization that supports defunding police and the dissolution of the American nuclear family,” he wrote.

In the team’s first game in the NBA bubble at Disney’s Wide World of Sports in Orlando, Fla., the Thunder defeated the Jazz 110-94.

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From travel pods to private jets, affluent travelers are eager to make vacations happen

Affluent travelers appear to be more resilient than most, making plans and holding onto reservations made pre-pandemic. Industry experts see this resilience among luxury travelers as an encouraging sign that a rebound might be just around the corner.

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How and why I built Machine Learning model to predict tennis table matches results

'm a Data Professional who loves building data products to solve problems. I'm currently working together with professionals from various backgrounds to provide new analytical insights in industry. I'd love to combine my passion for open data to continue contributing to change people lives in a better and analytical world.

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This Art Consultant Wants To Create A New Era Of Celebrating Black Art

Black art consultant Alaina Simone

Black culture has become the muse for many artists around the world. However, the professionals that make up the industry do not often reflect the same diversity. One woman has made it her mission to disrupt the art world by celebrating Black art.

Alaina Simone, the owner of an art consulting agency, is centering Black artists on the mainstream stage. Her love of art came from seeing a different side of life outside of the traditional working roles like her parents had.

“I remember seeing Alvin Loving as a very small child, who was a friend of my family in Flint, Michigan, at a gathering and being intrigued by the man with the locks and jeans. He was the coolest at the party, and I was beyond curious,” Simone tells BLACK ENTERPRISE via email.

“He was completely different from my parents’ friends of doctors, teachers, and lawyers, which was the Black professional crowd. They were teasing him, but he didn’t care. His image is clear in my memory, and I remember wanting to know more because he was so different and marching to his own drum.”

“When I was in college and trying to figure out how to make a living with my interest in art, my older cousin called and said that I should meet a Black gallerist that she met in Detroit. I didn’t know any Black people who owned galleries so that was exciting and gave me hope that I could live my dream of working with artists and figuring out a way to be an entrepreneur in the creative arts.”

Since then, Simone has made a name for herself in the art world, centering around projects that serve as a “catalyst for change,” working with artists from all across the African Diaspora. She says one of the biggest steps Black artists can take is to learn the industry, using that education to create innovative works outside of the Eurocentric gaze.

“I moved from Detroit because I knew that I had to get physically inside the market to understand how it works from the inside out,” she explains. “I suggest that artists at least intern with galleries and art institutions to shed light on the inner workings of the art world.”

“There are many nuances, and I think that sometimes artists tend to romanticize the art world. The market can be a ‘scary’ space for young artists, especially art fairs, which are mainly about watching a massive, primarily Eurocentric public, consume their work.”

Her new advice for young Black artists looking to get their foot in the door: “Don’t give up. Stick to your vision and go for it!”



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Archaeologists Have Found the Source of Stonehenge's Boulders

Modern scholars have only been able to speculate about where the huge stones came from—until now.

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How To Compare Two Dataframes with Pandas compare?

Sometimes you may have two similar dataframes and would like to know exactly what those differences are between the two data frames. Starting from Pandas 1.1.0 version, Pandas has a new function compare() that lets you compare two data frames or Series and identify the differences between them and nicely tabulate them.

In this post let us see a simple example of Pandas compare function on two similar data frames and summarize the differences.
Let us load Pandas and Numpy.

import pandas as pd
import numpy as np

Let us check Pandas version and make sure we have Pandas version 1.1.0 and above. Otherwise make sure to install the latest version of Pandas using conda/pip install.

pd.__version__
'1.1.0'

We will first create a toy dataframe with three columns and four rows.

# create dataframe
df1 = pd.DataFrame(
    {
       "col1": ["a", "v", "x", "y"],
       "col2": [1.0, 2.0, 3.0, np.nan],
       "col3": [7.0, 8.0, 9.0, 3.0]
     },
    columns=["col1", "col2", "col3"],
)

And this is how our data looks like.

df1

      col1      col2    col3
0       a       1.0     7.0
1       v       2.0     8.0
2       x       3.0     9.0
3       y       NaN     3.0

Let us create second dataframe by copying the first dataframe and making two changes. In this example, we change the values of first row in first column and second row in second column.

# create a copy of dataframe
df2 = df1.copy()
# change the values of few elements
df2.loc[0, 'col1'] = 'zz'
df2.loc[1, 'col2'] = '10'

If we compare it to the first data frame, it differs in just two places in the first two rows.

df2

     col1       col2    col3
0       zz      1       7.0
1       v       10      8.0
2       x       3       9.0
3       y       NaN     3.0

Let us use Pandas compare() function to summarize the differences between the two dataframes. Pandas compare() function outputs the columns and elements that is different between the dataframes. “self” label in the result correspond to the dataframe that we compare and “other” label corresponds to the dataframe that we compare to.

By default, if two corresponding values are equal, they will be shown as NaN. Furthermore, if all values in an entire row / column, the row / column will be omitted from the result. The remaining differences will be aligned on columns.

df1.compare(df2)

            col1        col2
       self     other   self    other
0       a       zz      NaN     NaN
1       NaN     NaN     2.0     10

We can also change how Pandas compare display result. Here with align_axis=”rows” or align_axis=0, Pandas compare() function displays self and other in separate rows.

df1.compare(df2, align_axis='rows')

        col1     col2
0       self    a       NaN
      other     zz      NaN
1       self    NaN     2
      other     NaN     10

The post How To Compare Two Dataframes with Pandas compare? appeared first on Python and R Tips.



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Egypt tells Elon Musk its pyramids were not built by aliens

Egypt invited the billionaire to visit, after he appeared to tweet support for conspiracy theorists.

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This Program Has Opened 100+ Black-Owned Beauty Supply Stores

beauty supply institute

Beauty Supply Institute is a well-respected training and consulting organization founded by Devin Robinson, a former business & economics professor. Since 2007, his organization has helped open more than 100 Black-owned beauty supply stores across America, Canada and the Caribbean islands.

Devin has always had a passion for helping Black entrepreneurs own beauty supply stores because very few of the ones that sell Black hair care products are actually owned by the people who buy these products. Even more, there have been several incidents of racism and discrimination against Black consumers who support non-Black owned beauty supply stores. This inspired him to write the best-selling book Taking it Back: How to Become a Successful Black Beauty Supply Owner.


A real asset to the community

In 2010, Devin’s Beauty Supply Institute began hosting two bi-annual conferences; one on the west coast and one on the east coast, to educate individuals on the overall business, how to get in and if is best for them. So far, the conferences have been held in various cities including Atlanta, Los Angeles, Las Vegas, Houston, Cleveland, St. Louis and New York.

In 2016, his organization expanded into hands-on training by moving its headquarters into a 5,000 square foot facility that now houses its headquarters, training rooms, consulting rooms and a fully functioning beauty supply store.

And in 2018, Devin established the Beauty Supply Lending Group, which offers a few funding options for aspiring store owners – from traditional SBA loans to non-traditional loans only requiring a minimum 551 credit score. Interest rates are competitive and start-up loans can go as high as $150,000 for future owners and up to $400,000 for existing store owners.

The joy of giving back

Devin comments, “This has been a vision I’ve continuously worked to bring to life ever since I was threatened with a golf club in 2005 by a Korean beauty supply store owner while I was shopping. To have assisted so many people in realizing their own dream of store ownership while bringing jobs and money back to my community is a dream come true.”

Regarding his organization’s services, he further comments, “We are the absolute best at getting aspiring owners to their grand openings. We have classes, conferences and detailed training to get you there.”

For more details about the Beauty Supply Institute, visit the new location at 5015 Floyd Road Suite 300, Mableton, Georgia. Or visit their official web site at www.beautysupplyinstitute.com or follow them on Facebook.

This article was originally written by BlackBusiness.com.



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6 Black-Owned Beverage Brands to Support (Wines, Teas, and Energy Drinks!)

black-owned beverage

African American entrepreneurs are widening out and starting companies in all kinds of industries. They are no longer just owners of barbershops, hair salons, and restaurants. Nowadays, they are investing in bigger more global ideas like tech companies, investment firms, and global food and drink distribution.


Here are 6 Black-owned beverage companies that you can find online and in local grocery stores:

#1 – Jive Juice: offers organic cold-pressed juices and smoothies for delivery and retail. With a focus on making juicing fun and “greening your life with juice,” J.I.V.E. Juice offers vegetarian and vegan products with concentrated enzymes and nutrients.

#2 – Ellis Island Tea: an all-natural, antioxidant-rich hibiscus tea founded in 2008 by Nailah Ellis-Brown. She got the recipe from her late great grandfather, who told her, “This recipe is to be sold, not told. Ellis Island Tea is a smooth, flavorful Jamaican blend, steeped in family tradition, brewed and bottled in Detroit, Michigan.

#3 – Jin+Ja: a revitalizing, anti-inflammatory and metabolism-boosting tea brand that was started in the summer of 2009 by entrepreneur Reuben Canada. He initially made the drinks for himself and for friends, but then realized that he had something bigger on his hands. After doing a test at a local retailer, the product kept selling out every 3 days for the first three months and the rest is history!

#4 – Me and the Bees Lemonade: an award-winning, ready-to-drink all-natural lemonade drink available in five refreshing flavors. Mikaila Ulmer created the brand when she was just 5-years old. Her drinks are now available in Whole Food grocery stores,

#5 – Heritage Link Brands: a delicious wine brand founded by entrepreneur Selena Cuffe after she learned there that, out of South Africa’s $3-billion wine industry, less than two percent were owned by blacks despite them representing 80% of the country’s population. Recognizing an untapped opportunity to introduce a new era of producers to the American market, the idea for Heritage Link Brands was born. Today the company serves a customer base of over 4,000 outlets, including household names from Disney to Whole Foods, and their award-winning portfolio is represented in over 40 U.S. states, South Africa, Nigeria, and literally, worldwide, on three different airlines.

#6 – Bee D’Vine: a popular brand of honey wine that was created by entrepreneur Ayele Solomon after he realized that flowering trees in Ethiopia were an ideal source of nectar and pollen that bees use to make valuable honey. This set him on a quest to better understand the art and business of creating honey wine. He evaluated production in Ethiopia and South Africa but settled on the world-class wine region of Sonoma – not far from where he grew up – using California honey for the first varietals.

This article was originally written by BlackBusiness.com.



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Why Are Plants Green? The Answer Might Work on Any Planet

A new model of photosynthesis points to an evolutionary principle governing light-harvesting organisms that might apply throughout the universe.

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I Bought the Duffel Bag That's in ‘The Expanse’—and Loved It

I use it to pack pillows on a paddleboard. But you can also use it to pack guns. In space.

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Incognito Mode May Not Work the Way You Think It Does

Every browser has a private mode—but the privacy it offers has a limit.

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How to Make Your Video Calls Look and Sound Better

Natural light is your friend. Audio feedback is your worst enemy.

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Enefiok Udo Obong's 12-year wait for Olympic gold

Nigeria's greatest Olympian ran his best race at Sydney 2000 - but would have to wait until 2012 for the result to be confirmed.

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Saturday, August 1, 2020

HBO Donates $1 Million for Students Pursuing Entertainment Careers at Howard University

tech scholarship Engineering Students

HBO presented a $1 million gift to Howard University to establish an endowed fund for students pursuing careers in the arts and entertainment industries.

HBO, which is a division of WarnerMedia, announced the donation Monday in conjunction with the upcoming premiere of the HBO special Between The World and Me based on the New York Times best-selling book by Ta-Nehisi Coates. Coates, a proud Howard graduate, will executive produce the project with fellow Howard alumni Kamilah Forbes, the executive producer of the Apollo Theater, and award-winning actress Susan Kelechi Watson.

“As products of Howard University, we deeply believe in the responsibility to give as much as was given to us,” said Coates, Forbes, and Watson in a joint statement sent to BLACK ENTERPRISE. “We are inspired to see that same spirit in HBO’s gift to Howard — an institution which has not just given so much to us, individually, but to all of America.”

Through the Coates-Forbes-Watson-HBO Dream Seekers Endowed Fellowship, students will be awarded stipends to use toward living and travel expenses for internships in cities like Los Angeles and New York.

“We are incredibly proud to be a part of creating this endowment which will provide means for students to pursue formative opportunities in the arts and entertainment,” said HBO Programming President Casey Bloys. “We can think of no better partners than Howard University, Ta-Nehisi Coates, Kamilah Forbes and Susan Kelechi Watson in this effort.”

The awards will be available to students with demonstrated financial need to help them take advantage of opportunities they may not otherwise be able to afford.

“The costs affiliated with living in cities like Los Angeles and New York can push the benefits of accepting an internship out of reach for many college students today,” said Vice President of Development and Alumni Relations David P. Bennett. “The Coates-Forbes-Watson-HBO Dream Seekers Endowed Fellowship will go a long way in closing that gap and make a significant difference among Howard students for years to come.”

“We are grateful to HBO for their leadership in establishing the Coates-Forbes-Watson-HBO Dream Seekers Endowed Fellowship, which will make it easier for Howard students to make ends meet while pursuing internships and residencies with studios and production companies,” said the HBCU’s president, Wayne A. I. Frederick. “I’d also like to thank Ta-Nehisi Coates, Kamilah Forbes and Susan Kelechi Watson for their role in recommending Howard for this opportunity. I know that Howard played an instrumental role in their lives to help them become the incredible artists that they are today, and we are thankful that they continue to pay it forward through their time, talent and treasure.”

First published in 2015, Coates’ book Between the World and Me is written as a letter to his teenage son and recounts his experiences growing up in Baltimore’s inner city and his fears of daily violence against the Black community. The National Book Award winner and Pulitzer Prize finalist also explores the notion that white supremacy is embedded in all aspects of American society.

The HBO special event of the same name is premiering this fall.



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New US postage stamp highlights MIT research

Letter writers across the country will soon have a fun and beautiful new Forever stamp to choose from, featuring novel research from the Media Lab's Biomechatronics research group. 

The stamp is part of a new U.S. Postal Service (USPS) series on innovation, representing computing, biomedicine, genome sequencing, robotics, and solar technology. For the robotics category, the USPS chose the bionic prosthesis designed and built by Matt Carney PhD ’20 and members of the Biomechatronics group, led by Professor Hugh Herr.

The image used in the stamp was taken by photographer Andy Ryan, whose portfolio spans images from around the world, and who for many years has been capturing the MIT experience — from stunning architectural shots to the research work of labs across campus. Ryan suggested the bionic work of the biomechatronics group to USPS to represent the future of robotics. Ryan also created the images that became the computing and solar technology stamps in the series. 

“I was aware that Hugh Herr and his research team were incorporating robotic elements into the prosthetic legs they were developing and testing,” Ryan notes. “This vision of robotics was, in my mind, a true depiction of how robots and robotics would manifest and impact society in the future." 

With encouragement from Herr, Ryan submitted high-definition, stylized, and close-up images of Matt Carney working on the group's latest designs. 

Carney, who recently completed his PhD in media arts and sciences at the Media Lab, views bionic limbs as the ultimate humanoid robot, and an ideal innovation to represent and portray robotics in 2020. He was all-in for sharing that work with the world.

"Robotic prostheses integrate biomechanics, mechanical, electrical, and software engineering, and no piece is off-the-shelf,” Carney says. “To attempt to fit within the confines of the human form, and to match the bandwidth and power density of the human body, we must push the bounds of every discipline: computation, strength of materials, magnetic energy densities, sensors, biological interfaces, and so much more."

In his childhood, Carney himself collected stamps from different corners of the globe, and so the selection of his research for a U.S. postal stamp has been especially meaningful. 

"It's a freakin' honor to have my PhD work featured as a USPS stamp," Carney says, breaking into a big smile. "I hope this feat is an inspiration to young students everywhere to crush their homework, and to build the skills to make a positive impact on the world. And while I worked insane hours to build this thing — and really tried to inspire with its design as much as its engineering — it's truly the culmination of powered prosthesis work pioneered by Dr. Hugh Herr and our entire team at the Media Lab's Biomechatronics group, and it expands on work from a global community over more than a decade of development."

The new MIT stamp joins a venerable list of other stamps associated with the Institute. Formerly issued stamps have featured Apollo 11 astronaut and moonwalker Buzz Aldrin ScD ’63, Nobel Prize winner Richard Feynman ’39, and architect Robert Robinson Taylor, who graduated from MIT in 1892 and is considered the nation’s first academically trained African American architect, followed by Pritzker Prize-winning architect I.M. Pei ’40, whose work includes the Louvre Glass Pyramid and the East Building on the National Gallery in Washington, as well as numerous buildings on the MIT campus. 

The new robotics stamp, however, is the first to feature MIT research, as well as members of the MIT community.

"I'm deeply honored that a USPS Forever stamp has been created to celebrate technologically-advanced robotic prostheses, and along with that, the determination to alleviate human impairment," Herr says. "Through the marriage of human physiology and robotics, persons with leg amputation can now walk with powered prostheses that closely emulate the biological leg. By integrating synthetic sensors, artificial computation, and muscle-like actuation, these technologies are already improving people's lives in profound ways, and may one day soon bring about the end of disability."

The Innovation Stamp series will be available for purchase through the U.S. Postal Service later this month.



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Calculus For Data Science: What Do You Really Need to Know?

This one picture shows what areas of calculus and linear algebra are most useful for data scientists.

If you read any article worth its salt on the topic Math Needed for Data Science, you'll see calculus mentioned. Calculus (and it's closely related counterpart, linear algebra) has some very narrow (but very useful) applications to data science. If you have a decent algebra background (which I'm assuming you do, if you're a data scientist!) then you can learn all of the calculus you need in a few hours of study. 

You don't usually need to know exactly how to take derivatives, minimize sums of squares or create clustering algorithms from scratch--there are calculators for that! But if you have a general idea of what's working in the background you'll be able to recognize when results don't make sense or what better alternatives might be available.

References

MATH7502: Mathematics for Data Science 2 (Linear Algebra and Topics in Multivariable Calculus).

How Much Math Do You Need to Become a Data Scientist?

Cluster Analysis: Basic Concepts and Algorithms

The Mathematics Behind Principal Component Analysis

Lossy Compression

Fuzzy Relation Calculus in the Compression and Decompression of Fuzzy Relations



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Feature engine python package for feature engineering

 

In this post, we explore a new python package for feature engineering

 

Feature engineering is the process of using domain knowledge of the data to transform existing features or to create new variables from existing ones, for use in machine learning. Using feature engineering, we can pre-process raw data and make it suitable for use in machine learning algorithms.

 

The package covers the following functions

1. Missing Data Imputation

  1. Complete Case Analysis
  2. Mean / Median / Mode Imputation
  3. Random Sample Imputation
  4. Replacement by Arbitrary Value
  5. End of Distribution Imputation
  6. Missing Value Indicator

 

2. Categorical Encoding

  1. One hot encoding
  2. Count and Frequency encoding
  3. Target encoding / Mean encoding
  4. Ordinal encoding
  5. Weight of Evidence
  6. Rare label encoding

 

3. Variable transformation

  1. Logarithm transformation - log(x)
  2. Reciprocal transformation - 1 / x
  3. Square root transformation - sqrt(x)
  4. Exponential transformation - exp(x)
  5. Yeo-Johnson transformation
  6. Box-Cox transformation

 

4. Discretisation

  1. Equal width discretisation
  2. Equal Frequency discretisation
  3. Discretisation using decision trees

 

5. Outliers

  1. Outlier removal
  2. Treating outliers as missing values
  3. Top / bottom / zero coding
  4. Discretisation

 

6. Feature Scaling

  1. Standardisation
  2. Min-Max Scaling
  3. Maximum Absolute Scaling
  4. Robust Scaling.
  5. Mean normalisation
  6. Scaling to unit length

 

8. Feature Creation

 

9. Aggregating Transaction Data

 

From the github page

Feature-engine is a Python library with multiple transformers to engineer features for use in machine learning models. Feature-engine's transformers follow Scikit-learn functionality with fit() and transform() methods to first learn the transforming parameters from data and then transform the data

Feature engine package on github

Documentation of feature engine package 

Package created  by Dr Soledad Galli

I plan to contribute to this package. In August, at Data Science Central, I also plan create a mini e-book on feature engineering which will use this page (co-authored with Aysa Tajeri ). Feature Engineering is a complex /multifaceted domain. Our goal is to present an overview of feature engineering for various domains. Proposed outline is

  • Understanding the feature engineering pipeline
  • Concepts/ maths techniques you need to understand feature engineering
  • Implementing feature engineering using the package above
  • Applications in industries


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Hurricane Isaias causes major damage as it approaches the U.S.

Hurricane Isaias may reach wind speeds of about 75 mph when it reaches Florida, according to the National Hurricane Center.

Category 1 storm, Hurricane Isaias, landed in the Bahamas with winds of about 85 mph. Many buildings and trees were blown over and the storm caused wide-spread damage.

Although the storm is moving away from the Bahamas and towards the U.S., Trevor Basden, the director of the Bahamas meteorology department, told residents  to “continue to hunker down”.

While on the way to Florida, Isaias was weakened to a tropical storm, but experts say that it may be upgraded once again, according to Reuters.

“Don’t be fooled by the downgrade. We do think it will be upgraded back to a hurricane later on this evening,” said Florida Governor Ron DeSantis today.

READ MORE: Kids in Bahamas stranded with schools damaged by hurricane

On Friday, both Florida and North Carolina declared states of emergency for many counties due to the imminent landing of Hurricane Isaias.

All COVID-19 testing sites were closed and people living in affected areas were told to buy seven days worth of food and supplies in order to stay in their homes when the storm hits.

Hurricane Isaias may reach wind speeds of about 75 mph when it reaches Florida, according to the National Hurricane Center. They also said that the storm could bring heavy rains and cause flooding during the weekend and into the beginning of next week.

“While current projections have the eye of Isaias remaining at sea, the situation remains fluid and can change quickly,” said DeSantis, according to Reuters. “The state of Florida is fully prepared for this.”

READ MORE: CDC quietly releases reopening plan as ‘busy’ hurricane season looms

Many public areas including beaches and parks were closed on Friday. Experts say that the storm could become a Category 2 hurricane, with wind speeds being close to 110 mph.

Florida has a well-trained hurricane response team, but with the added pressure of controlling the coronavirus, there is less focus on storm preparation.

“It’s not a perfect system,” said Frank Rollason, Miami-Dade’s director of emergency management, “but what we’re facing to today with COVID, we’re trying to avoid packing all of those people into the emergency operations center.”

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Kamala Harris introduces bill to tackle uterine fibroids

Uterine fibroids have a disproportionate impact on Black women.

Sen. Kamala Harris has introduced a new bill that will fund research and education on uterine fibroids. In July 2007, fellow lawmaker, Representative Yvette D. Clarke, underwent surgery to treat fibroids and has spearheaded a companion legislation in the House of Representatives.

READ MORE: Study: Childhood trauma, fibroids linked

Uterine fibroids are non-cancerous growths that appear during a woman’s child-bearing years. They affect an estimated 26 million people and are the leading cause for hysterectomies.

According to The Journal of Women’s Health, uterine fibroids have a disproportionate impact on Black women, as they are 2.4 times more likely to undergo a hysterectomy. Black women are more likely to develop fibroids earlier in life and have larger fibroids.

“Complications from uterine fibroids can lead to maternal mortality and morbidity,” Harris told Refinery 29. “We have an opportunity to change that with the Uterine Fibroids Research and Education Act. I’m proud to work with Congresswoman Clarke to ensure that women get the care, support, and knowledge they need.”

The proposed bill would provide the National Institute of Health (NIH) with $30 million annually from 2021 until 2025. The funds would expand research and create a uterine fibroids public education program through the Center for Disease Control and Prevention (CDC), expand and improve data collection on which groups are affected by uterine fibroids, and more.

READ MORE: Sen. Kamala Harris announces anti-racism bill to fight COVID-19’s impact on Black communities

One of the many organizations that supports Harris’s bill is “The White Dress Project,” which not only raises funds, but also supports those who are faced with the difficulty of managing life with fibroids.

In a Twitter post on July 30 Sen. Harris wrote, “So many of you have shared your experience with uterine fibroids in the comments. Thank you for speaking out–your stories matter and they must be heard.”

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Teen spent a year and a half in jail with no indictment

Prosecutors have yet to present William Haymon’s case to a grand jury.

William Haymon celebrated his 16th birthday and his 511th day in jail on July 14th. Haymon has been in the rural Lexington, Mississippi jail for months and there is no telling when he will be released.

Mississippi has no rules regarding the length of time a person can be detained without being formally charged. Haymon cannot be released on bail, though he is technically innocent in the eyes of the law.

Prosecutors have yet to present Haymon’s case to a grand jury so it can consider whether the state has sufficient evidence to pursue a conviction against Haymon.

READ MORE: Michigan teen jailed for not doing schoolwork to be released

Akillie Malone-Oliver, the local district attorney who prosecutes the state’s 21st judicial district, blames the delay on heavy turnover within the city’s police force. But the problem is bigger than that and is characteristic of ongoing concerns facing Mississippians who have the misfortune of being arrested, according to experts.

Haymon’s attorney, Lawrence Blackmon, has alleged that the county does not have grounds to hold him. Blackmon asserts that his client is being illegally detained and that his constitutional right to a speedy trial is being violated.

He is concerned that Haymon, who would be entering the 10th grade in the fall, will experience long-lasting harm due to his prolonged imprisonment during his youth.

Sebrenda Tillman, Haymon’s mother, voiced her concerns to The Appeal. “As long as he’s been there, what are you holding him for? Somebody ain’t doing their job,” she complained.

In June 2013, when Haymon was 13-years-old, he was arrested for allegedly robbing a senior citizen at gunpoint. He waived a preliminary hearing and was released on a $25,000 bond.

However, in February 2019, Haymon arrested again for aggravated assault involving a gun. State law prevented him from being granted bail for the second alleged crime.

READ MORE: Teen who says he accidentally killed teen girl in Russian roulette game, remains in jail

After the public defender assigned to Haymon’s aggravated assault case died in January, Blackmon agreed to represent the teenager for free. Despite filing a petition and a motion seeking Haymon’s release, the teenager remains in jail.

Circuit Court Judge, Jannie Lewis-Blackmon, no relation to Haymon’s attorney, ruled that Haymon’s right to a speedy trial had not been violated. According to a transcript of the proceeding, Judge Lewis-Blackmon said that “the reason for the delay outweighs the length of the delay.”

Due to Covid-19, Haymon’s mother, Sebrenda Tillman has been unable to visit him since March. Since his incarceration, Tillman has celebrated his last two birthdays by putting money in his account.

“He’s trying to hold up,” she told The Appeal. “I worry about him, some nights I can’t sleep because he’s my baby,” she said.

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Rite Aid Used Facial Recognition in Stores for Nearly a Decade

A SubStack email mess, a Nintendo leak, and more of the week's top security news.

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Are you really prepared for a money emergency? This is the financial first-aid kit you need to stock

The coronavirus pandemic has made clear the need for emergency preparedness, especially when it comes to money. Smart personal finance starts with a first-aid kit.

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Former Gang Member Now Runs a Multi-Million Dollar Accounting Firm

Gang Member Accounting

Jeff Badu, a former gang member from Chicago, is now making millions as an entrepreneur, tax practitioner, and owner of his own accounting firm. After going through a life-changing event, Badu hopes to also make a change in his community by sharing his story to others and helping guide them with his business how-to’s.

Badu, who was born in Ghana, moved to the United States when he was 8-years old. With his young mind, he thought he would feel protected if he joins a gang. But when he did, he realized that the protection the gangs advertised wasn’t exactly true.


“Between 8 to 16, those were the toughest times of my life because I was surrounded by so much negativity,” Badu said in an interview with WGN TV. “I was literally trapped, I couldn’t walk certain places.”

Badu finally decided to change his path after having a conversation with his aunt when he went back to Ghana for a short family vacation. He remembered his aunt told him about his parents’ struggles just to take him to the U.S., “went through the lottery system for you to come and mess it up.”

Since then, he returned to the U.S. with a new mindset, finished studying at Uplift High School, and earned an undergraduate and graduate degree in accounting from the University of Illinois.

Now, Badu owns an accounting business called Badu Tax Services that caters to 1,500 clients nationwide and in five other countries. He also owns and runs car rental entreprises and real estate investment groups. He was 25-years old when he made his first million.

All the while he was already making a name in the financial industry, his childhood friend Adura Yaboroh was killed after being shot five times in the head while helping someone with a spare car tire at a gas station. It made another strong impact in his life.

“I felt very responsible for that because I had turned my life around but I didn’t go ahead and turn other people’s lives around at that time,” Badu said.

So he made use of his influence to positively impact other people. He provides resources for scholarships, offers workshops to the youth and homeless, writes articles about property tax, money-making strategies, among many others, and hosts his own radio show called Money Talks where he promotes financial literacy.

Moreover, he hopes to further bring financial freedom and benefits to other neighborhoods that are in underserved communities. He also aims to use his real estate companies to restore communities that are being plagued by gentrification.

“What I really want to do is help the super hungry to take advantage of resources in order to live an abundant lifestyle. That’s my purpose in life and it’s exciting,” he told Block Club Chicago.

For more information about Jeff Badu or his company, Badu Tax Services, visit his personal website at http://www.badutaxservices.com

This article was originally written by BlackBusiness.com.



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How to Cut Your Own Hair at Home (Long, Short, Wavy, Curly, Kids, Bangs)

If your hair-care professional is still on lockdown, you might be getting desperate for a trim. Let us help you avoid a DIY disaster.

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What Can Ants and Bees Teach Us About Containing Disease?

Social insects cooperate to curb the spread of pathogens. Maybe their systems of behavior can help human societies battling pandemics of our own.

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Meet the Black Lawyer Who Refused to Cut His Locks to Make His Colleagues Feel Better

dread locks

Marcus Shute Jr., a 34-year old lawyer from Nashville, raised a few eyebrows when he decided to grow his locks in 2002. But he still refuses to cut his hair in hopes to make a point that his personal appearance should not affect his professional career! In fact, Shute is a well sought-after lawyer and he runs his own law firm in Nashville, Tennessee.

“Many times during my matriculation through undergrad/law school and in my professional career I was told I would not be successful as an attorney if I didn’t cut my locs,” Shute said in an interview with The Shade Room.


Shute also said he had experienced being disregarded for promotion even though he technically deserved it just because he “did not fit the look.” At one time, he said a judge even mistook him as a client instead of a law student.

Despite that, he chose to be authentic and not to conform to the industry’s so-called standards. His experiences also inspired him to open his own law practice. He wanted most of his colleagues and clients to relate to him.

“The law industry, like any other industry, is a microcosm of the real world. It needs acceptance, inclusion, and diversity, but it needs to be more than empty lip-service and to be done in a meaningful way,” he said. “Less than 5 percent of attorneys are black. And even fewer are in a position to hire at their firm, one of the reasons I founded Shute Law.”

For more information about Shute Law, visit https://www.shutelaw.com

This article was originally written by BlackBusiness.com.



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15 Best Weekend Deals: Laptops, TVs, Phones, and Outdoor Gear

Planning a socially-distanced camping trip? Now is the time to stock up on things like backpacks and tents.

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What is Crispr Gene Editing? The Complete WIRED Guide

How scientists can repurpose a bacterial immune system to alter DNA, making everything from cheap insulin to extra starchy corn.

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10 Ways to Reconnect With Long Distance Relatives, Friends, and Relationships

Whatever the distance, these ideas will help you feel closer in these trying times.

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The Garmin Hack Was a Warning

As ransomware groups turn their attention to bigger game, expect more high-profile targets to fall.

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Setting Up Zimbra Collaboration Suite (ZCS) on RHEL/CentOS 7/8

Zimbra Collaboration Suite (ZCS) is an Open Source, collaborative platform for email servers, developed in two editions, Open Source edition (Free) and Network Edition (Paid), which provides services such as LDAP, SMTP, POP and

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