قسم التربية في المكتبات ذو تأثر عاطفي ساحق - إنه "نصب تذكاري كبير ملون بألوان الحلوى يمثل مخاوفنا مجتمعة" كما تصفه الكاتبة جينيفر سينيور. لماذا أضحت الأبوة مليئة بهذا الذعر؟ لأن الهدف الأساسي لأهالي الطبقة المتوسطة المعاصرين هو - جعل أطفالهم سعيدين - وهو هدف مراوغ. في هذه المحادثة الصادقة، تعرض جينيفر بعض من الأهداف والمساعي الألطف والأسهل تحقيقاً.
Jennifer Senior: For parents, happiness is a very high bar


The parenting section of the bookstore is overwhelming—it's "a giant, candy-colored monument to our collective panic," as writer Jennifer Senior puts it. Why is parenthood filled with so much anxiety? Because the goal of modern, middle-class parents—to raise happy children—is so elusive. In this honest talk, she offers some kinder and more achievable aims.
Published: 2014-4-15

موضوع العرق يمكن أن يكون حساسا جدًا. وكما تقول التنفيذية المالية ميلودي هوبسون، إنها "محادثات مشحونة". ولكن، كما تقول، لهذا بالضبط نحن بحاجة للبدء بالتحدث عن هذا الأمر. في هذه المحادثة المقنعة والممتعة، تحاجج هوبسون حول قضية العرق - وخاصة حول التنوع في التوظيف - لخلق شركات أفضل ومجتمع أفضل.
Mellody Hobson:
Color blind or color brave?

عندما أدرك ان زوجته اضطرت للاختيار بين شراء وجبات العائله أو" تجهيزاتها " الشهريه تطوع "Arunachalam Muruganantham " لمساعدتها لحل مشكلتها مع الفوط الصحيه . اخذت ابحاثه منحى خاص جدا جدا قاده الى نموذج أعمال فعال. ( تم تصويره في منطقة بنجالور في رحلة TED العالميه للبحث عن المواهب.

Arunachalam Muruganantham: How I started a sanitary napkin revolution!
When he realized his wife had to choose between buying family meals and buying her monthly "supplies," Arunachalam Muruganantham vowed to help her solve the problem of the sanitary pad. His research got very very personal -- and led him to a powerful business model. (Filmed in Bangalore as part of the TED Global Talent Search.)
Published: 2012-11-13

خلال تاريخ التطور البشري، أصناف مختلفة من البشر تواجدت في نفس الوقت. هل من الممكن أن نكون في وسط عملية تطور حالية؟ في قمة TEDx، يمسح خوان إنريكيز الزمان والمكان ليحضرنا إلى الزمن الحاضر — ويظهر لنا كيف أن التكنولوجيا تكشف النقاب عن أدلة تشير إلى أنه قد تكون عملية تطور حديثة تأخذ مجراها في الوقت الحالي .

Juan Enriquez: Will our kids be a different species?
Throughout human evolution, multiple versions of humans co-existed. Could we be mid-upgrade now? At TEDxSummit, Juan Enriquez sweeps across time and space to bring us to the present moment -- and shows how technology is revealing evidence that suggests rapid evolution may be under way.
Published: 2012-6-4

An interview with Bill Taylor, Game Changer blogger for HarvardBusiness.org. Zappos knows that they can't deliver great customer service unless their employees are committed to the values of the company. So what do they do? They pay employees to quit!

An interview with Tom Davenport, Professor of Information Technology & Management, Babson College. While some elements of Google's success as innovator would be very hard to emulate, others can be profitably adopted by almost any business.

An interview with Scott Anthony, President, Innosight. Disruptive innovation occurs when an innovator brings something to market that is simple, convenient, accessible, and affordable. Here are some tips to help you pinpoint disruptive opportunities within your organization.

An interview with Maggie Brenneke, Director, Skoll Social Enterprise Program. When businesses consider their social and environmental bottom lines, they identify new opportunities to innovate. Some of those opportunities can be surprisingly counterintuitive.

An interview with A.G. Lafley, Chairman and CEO, Procter & Gamble. Innovation is at the core of P&G's business strategy. See how P&G makes innovation an everyday practice in their organization.

An interview with Kevin Coyne, Founder, Kevin Coyne Partners. Asking people to "think outside the box" creates chaotic brainstorming. Here are five questions that can stimulate more focused thinking about possible new products and services.

An interview with David Kester, Chief Executive, Design Council. To foster a culture of innovation, managers must look outward to identify consumers' problems and spark ideas for solving those problems. They must also ease employees' fear of change.

Scott Anthony, president of Innosight, explains how to innovate when time and money are tight.

You can directly support Crash Course at https://www.patreon.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing this content.

In which John Green teaches you about the poetry of Langston Hughes. Langston Hughes was a poet and playwright in the first half of the 20th century, and he was involved in the Harlem Renaissance, which was a cultural movement among African Americans of the time that produced all kinds of great works in literature, poetry, painting, sculpture, music, and other areas. The Harlem Renaissance mainly happened in Harlem, the traditionally black neighborhood in upper Manhattan in New York City. Langston Hughes was primarily known as a poet, but he was involved deeply in the movement itself as well. John will teach you a bit about Hughes's background, and he'll examine a few of his best known poems.

Toni Morrison continues to hone her craft, even though she sits comfortably as one of the greatest authors in American history. Here she reads from her forthcoming novel, “God Help the Child.”

RETWEET THIS: http://bit.ly/DrAngelouBestAdvice
Dr. Maya Angelou's wisdom has inspired countless people around the world, but what does she say is the best advice she's ever given? Find out what it is and to whom she gave it. Plus, get the best advice Dr. Angelou ever received. For more on #supersoulsunday, visit http://bit.ly/1tNw5dg

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About SuperSoul Sunday:
SuperSoul Sunday is the multi-award winning series that delivers a timely thought-provoking, eye-opening and inspiring block of programming designed to help viewers awaken to their best selves and discover a deeper connection to the world around them. Recognized by the National Academy of Television Arts & Sciences with two Daytime Emmy awards, SuperSoul Sunday features all-new conversations between Oprah Winfrey and top thinkers, authors, visionaries and spiritual leaders exploring themes and issues including happiness, personal fulfillment, spirituality, conscious living and what it means to be alive in today's world.

About OWN:
Oprah Winfrey Network is the first and only network named for, and inspired by, a single iconic leader. Oprah Winfrey's heart and creative instincts inform the brand -- and the magnetism of the channel.

Winfrey provides leadership in programming and attracts superstar talent to join her in primetime, building a global community of like-minded viewers and leading that community to connect on social media and beyond. OWN is a singular destination on cable. Depth with edge. Heart. Star power. Connection. And endless possibilities.

Discover OWN TV:
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The Best Advice Dr. Maya Angelou Has Ever Given—and Received | SuperSoul Sunday | Oprah Winfrey Network
http://www.youtube.com/user/OWN

"You've got to be good or as bad as the devil. ... Even if we had two, three days off I still had to blow that horn a few hours to keep up the chops."
- Louis Armstrong

Interview by Michael Aisner and James R. Stein
1964. Ravinia near Chicago
Originally aired on WNTH - Winnetka, Illinois

More Louis Armstrong: http://blankonblank.org/interv....iews/louis-armstrong

Executive Producer: David Gerlach
Animator: Patrick Smith

Subscribe for new episodes every other Tuesday (it's free):
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Watch the previous episodes:

Maurice Sendak on Being a Kid
http://www.youtube.com/watch?v=KvtgqJTVVhE

Beastie Boys on Being Stupid
http://www.youtube.com/watch?v=E4mx2P...

David Foster Wallace on Ambition
http://www.youtube.com/watch?v=w5R8gd...

Wilt Chamberlain on Tall Tales
http://www.youtube.com/watch?v=zxLiVn...

Larry King on Getting Seduced
http://www.youtube.com/watch?v=1yD8Pz...

Jim Morrison on Why Fat is Beautiful
http://www.youtube.com/watch?v=BhszZ5...

Follow us on Twiiter & Facebook @blankonblank

Check out blankonblank.org

Music You Heard:
Louis Armstrong
"Mack the Knife"
"When the Saints Go Marching In"
"Dream a Little Dream"

Photo:
Library of Congress

Help us caption & translate this video!

http://amara.org/v/Q8Fz/

By 1959, Berry Gordy had become known for his songwriting talent, but he had his sights set on something even bigger: owning his own record company. Watch Berry describe how he turned $800 and a small Detroit studio into Motown's first headquarters, and hear about Berry's "assembly line approach" that helped create some of music's biggest stars. For more on #masterclass, visit http://bit.ly/1ZQfeZO

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#OWNTV #masterclass #Oprahwinfrey
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About Oprah’s Master Class:
The acclaimed, Emmy-nominated series “Oprah's Master Class” tells the stories you've never heard from the people you thought you knew best. Hand-picked by Oprah Winfrey for their unique impact on the world, true modern masters from Academy Award-winning actors, to Grammy-winning musicians, to ground-breaking athletes, share the greatest lessons they've learned along the way. In an intimate setting, they share their successes, their failures, their triumphs, disappointments and heartbreaks.

About OWN:
Oprah Winfrey Network is the first and only network named for, and inspired by, a single iconic leader. Oprah Winfrey's heart and creative instincts inform the brand -- and the magnetism of the channel.

Winfrey provides leadership in programming and attracts superstar talent to join her in primetime, building a global community of like-minded viewers and leading that community to connect on social media and beyond. OWN is a singular destination on cable. Depth with edge. Heart. Star power. Connection. And endless possibilities.

Discover OWN TV:
Find OWN on your TV!: http://bit.ly/1wJ0ugI
Our Fantastic Lineup: http://bit.ly/1qMi2jE

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Visit the OWN WEBSITE: http://bit.ly/1qMi2jE
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Motown: How It All Began | Oprah’s Master Class | Oprah Winfrey Network
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Stories about punk music tend to picture thin-framed white guys and girls with shaved heads, part of an angry, energetic scene born out of the working class angst of young white England in the 1970s. But the actual history of punk – as a type of music and movement – is more complicated than that.

Black punks have been an integral and pioneering part of punk history – and they're keeping the movement alive and growing today. Host Sana Saeed explores that history and talks to proto-punk band Death, musician and journalist Greg Tate, the band The 1865 and festival organizer Shawna Shawnté.

Learn more here:
New York Times. “This Band Was Punk Before Punk Was Punk.”http://www.nytimes.com/2009/03..../15/arts/music/15rub

Vice. “The Bands Taking British Punk Back to Its Multicultural Roots.” https://noisey.vice.com/en_us/....article/padjev/decol

GQ. “Nazi Punks F**k Off: How Black Flag, Bad Brains and More Took Back Their Scene from White Supremacists.” https://www.gq.com/story/punks....-and-nazis-oral-hist

Relevant links:
A Band Called Death: http://drafthousefilms.com/fil....m/a-band-called-deat
The Universe Is Lit: http://www.theuniverseislit.com/
Bay Area Girls Rock Camp: https://www.bayareagirlsrockcamp.org/
The 1865: https://www.instagram.com/the1865band/

Presented by: Sana Saeed
Edited by: Brian Joseph and Michael Zipkin
Animations by: Chia Liu
Produced by: Sana Saeed and Kathryn Wheeler
Executive Producer: Sarah Nasr


Music tracks courtesy APM, YouTube and The 1865.
Footage and images courtesy of Getty Images, The Universe is Lit, Keep on Knocking, LLC, Ed Marshall Photography NYC, Evan Carter and Paul Rosenfield.

If you repeat something enough times, it comes to feel good and true.
Support Veritasium on Patreon: http://bit.ly/VePatreon
Science with Hot Wheels! My vids for kids: http://bit.ly/VeHotWheels
More info on cognitive ease: http://bit.ly/29OMGas

This episode was inspired by the book Thinking Fast and Slow by Daniel Kahneman.

This video was edited by Daniel Joseph Files, with music from Kevin MacLeod at http://incompetech.com "Marty Gots a Plan" "Sing Along With Jim" and "Full On".

Veritasium is supported on Patreon by:
Jason Buster, Saeed Alghamdi, Tony Fadell, Donal Botkin, Bryan Baker, & Imthetroublesolver 8)

Post to your facebook -- http://on.fb.me/CHICKNMAN

Pennywhistle Productions/Smarter Every Day

Chickens have a great ability to keep their heads stable. Our bodies use a gyro-like mechanism in our ears which has 3 mutually orthogonal inertial measurement devices. Modern motion processors use something called an Inertial Measurment Unit (IMU). These devices provide movement data which can be used to compensate for the movement. Chickens apparently have the same type mechanism only with a higher update rate.

*Update* The chickens were eaten by the family dog. WHOOPS! :(

*Update #2* Sis and I are shot a music video. If you're interested search for "Briley brand new key"

*Update #3*
Currently under non-exclusive license to be played on Fuji-TV in Japan. Ha Ha. Who would have thought?

*Update #4* July 10th, 2009 1 MILLION HITS Woo Hoo!

* Update #5 Sep 25th 2013 This idea was used in a commercial by Mercedes: "Mercedes-Benz TV: MAGIC BODY CONTROL TV commercial "

~~~~~~~~ German / Deutsch courtesy of Bursaap ~~~~~
Hühner haben eine bermerkenswertige Fähigkeit ihre Köpfe stabil zu halten. Unsere Körper benutzen ein gyroskopisches Mechanismus das drei gegenseitige senkrechte biomechanische Inertialsensore. Moderne bewegungs Prozessoren benutzen einen sogennanten Inertial Measurement Unit, eine art Inertialsensor. Diese Geräte geben Daten an so dass es möglich ist die Bewegnung auszugleichen. Hühner haben anscheinend das selbe Biomechanismus aber mit höhreren aktualisierungs Häufigkeit.
*Update* Die Hühner wurden bei dem Familienhund gefressen! OOOPS 

*Update #2* Meine Schwester und Ich haben ein Musikvideo aufgenommen. Wenn es Sie interresiert suchen Sie "Briley brand new key"

*Update #3*
Dieses Video wird in Japan auf Fuji-TV Spielen. Ha Ha. Wer hätte es gedacht?

*Update #4* July 10th, 2009 Eine Million hits! Geil!

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Instead of saving for my kids' college, I make videos using the money I would have saved.
The thought is it will help educate the world as a whole, and one day generate enough revenue to pay for their education. Until then if you appreciate what you've learned in this video and the effort that went in to it, please share the video. If you REALLY liked it, feel free to pitch a few dollars towards their college fund by clicking here:
http://bit.ly/KidsCollege

Warm Regards,

Destin

Prepare to drop some knowledge next time you visit the carnival.
Go expand your mind and learn something new at Skillshare.com. The first 300 people (they opened this up to first 2,000) get 2 months FREE! http://bit.ly/SkillShareMarkRober

MUSIC-
0:21- Ceral Killa- Blue Wednesday - https://soundcloud.com/bluewednesday/
0:53- Carnival Song written special by Andrew Applepie- http://andrewapplepie.com/
3:40- Berlin- Andrew Applepie- http://andrewapplepie.com/
10:00- Q- Blue Wednesday - https://soundcloud.com/bluewednesday/
11:13- Too Happy to be cool by Notebreak- https://soundcloud.com/notebre....ak/dubstep-too-happy


Summary: I collected data at the carnival for a full day. Then I used that information to figure out which games are the biggest scams using science to analyze them and show you how to beat them. I also figured out how much the carnival actually pays for the prizes so even if you win, you lose. And then I visited the carnival with my professional baseball playing buddy to dominate all the games. It worked well.




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I make videos like this once a month all year long while supplies last:

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Celebrities look back on the Stonewall Inn and the impact Marsha and Sylvia had before and after the riots. For more On Marsha & Sylvia click here http://logo.to/28R2Phl

Yes, I have made a similar vid before. This is the Australian TV version for the ABC show Catalyst http://www.abc.net.au/catalyst/
Misconceptions About Temperature http://www.youtube.com/watch?v=vqDbMEdLiCs
The Mysterious Falling Slinky http://www.youtube.com/watch?v=mAA613hqqZ0
Why Are Astronauts Weightless? http://www.youtube.com/watch?v=iQOHRKKNNLQ

And for those of you wanting a more General Relativity based explanation. Don't worry, it's coming.

Whatever you need a website for, create yours today with Wix: https://www.wix.com/go/infogra

video

I might upgrade my car horn to this. Shoutout to Portal from Facebook for their support on this video. Learn more and get yours at: https://portalfb.me/2OG9U7j

Watch the What's Inside video here: https://youtu.be/d9tA1icDPGY

Here is a behind the scenes video from the day: https://www.youtube.com/watch?v=rJIc1iAQdPw

High Speed camera courtesy of https://www.aimed-research.com/. They rent high speed cameras at killer prices. Hit them up.

ELI20 version: I answered why you want a large outlet area but not necessarily why it curves like that. Anytime you have a sudden change in cross-sectional area in the horn you will get waves reflecting back at the source. You don't want that because that is wasted energy that could have moved forward. Even if it goes from a small cross-section to a larger, if you do it suddenly you get those wasted waves. So you want the horn to basically be asymptotic at the exit so you never have a jump in discontinuity when it exits to the wide open air. So a directors cone isn't as good as the curved shapes I showed because it still has the sudden change when it dumps into the open air.



MUSIC-
0:10- Arrow- Andrew Applepie - http://andrewapplepie.com/
1:08- Dance- Danijel Zambo- https://danijel-zambo.bandcamp.com/
2:00- Kalimba Jam- Blue Wednesday - https://soundcloud.com/bluewednesday/
3:00- New shoes- Blue Wednesday - https://soundcloud.com/bluewednesday/
7:30- Ceral Killa- Blue Wednesday - https://soundcloud.com/bluewednesday/
8:47- Q- Blue Wednesday - https://soundcloud.com/bluewednesday/
9:46 Too Happy to be cool by Notebreak- https://soundcloud.com/notebre....ak/dubstep-too-happy







Summary: I made a huge horn and broke glass with it and explored why horns are shaped the way they are.



MERCH-
They are soft- https://teespring.com/stores/markrober


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I make videos like this once a month all year long while supplies last:

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Are you ticklish? Dr Emily Grossman shows you how to use the science of tickling to stop yourself squirming when you're tickled.
Subscribe for regular science videos: http://bit.ly/RiSubscRibe

Why do we feel ticklish? Why does it make us laugh? It’s hard to pin down a scientific definition – or explanation – of tickling. It’s a complex phenomenon, involving a range of sensory and neurological elements, which means it’s hard to identify why it evolved. Is it socially significant? Or an alarm system, warning us of things crawling on our skin?

Why can’t you tickle yourself? Dr Emily Grossman explains how your brain anticipates the movement of your hands, and suppresses the tickle response. Can you use the fact that you can't tickle yourself to stop other people being able to tickle you?

Dr Emily Grossman, science presenter and educator www.emilygrossman.co.uk @DrEmilyGrossman

Dr. Emily Grossman is an expert in molecular biology and genetics, with a Triple First in Natural Sciences from Queens' College Cambridge and a PhD in cancer research. She also trained and worked as an actress, and now combines her skills in her work as a science broadcaster and educator; teaching maths and all three sciences at all academic levels and explaining science for a wide range of TV and radio programmes. She recently completed a season as resident science expert on ITV's The Alan Titchmarsh Show, and was a member of the panel of experts for two series of Sky1's celebrity panel show Duck Quacks Don't Echo, hosted by Lee Mack. She has appeared as a science expert on ITV's This Morning, Channel 4’s Food Unwrapped, Sky News, BBC1's The One Show, and London Live’s Not the One Show, has been interviewed several times on Radio 4’s Last Word, Radio 5 live’s Daily Bacon, BBC World Service’s Newshour and LBC Radio, and is a regular guest on the Guardian Science Weekly podcast.

Emily has hosted science events for the Academy of Medical Sciences and at the Royal College of Physicians in Edinburgh, she has run workshops and given talks for The Royal Institution, she has performed at Science Showoff at the Bloomsbury Theatre, and she has presented many interactive science shows in schools and at science festivals. She is also a communication skills trainer for the Famelab International science communication competition - running master-classes for competition finalists across the globe - and is a judge for the Institute of Ideas Debating Matters Competition. Emily has taught science and maths at two London schools and the Manchester Science Museum, and has tutored over 150 private students. She is also the new voice of Oxford University Press’s online resource, MyMaths.

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Chris Cornell was a brilliant singer, songwriter, and arranger, and in honor of his passing, we'd like to take a look at one of his most famous songs, Black Hole Sun. Described by Cornell as a "surreal dreamscape" and by Soundgarden guitarist Kim Thayil as "not safe as milk but [not] glass in someone's eye, either", Black Hole Sun is a disorienting but moving piece that uses some pretty advanced harmonic devices in some very clever ways. Chris Cornell's passing was a great tragedy for the world of music, and his legacy lives on through his many works of art. Rest in Peace, Chris Cornell.

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Last: https://youtu.be/RM64qHJ9KnQ
Black Hole Sun: https://youtu.be/3mbBbFH9fAg
Quarter Tones video: https://youtu.be/bWG6CGKMnNA
Diminished 7ths video: https://youtu.be/4jLJHiff1B4
Neapolitan Chord video: https://youtu.be/ec7D6KOgCIQ
Polychords video: https://youtu.be/xhuflgxovQQ

Transcription sources:
http://guitaralliance.com/dmdo....cuments/drop_D/sound
https://www.e-chords.com/chord....s/soundgarden/black-
https://tabs.ultimate-guitar.c....om/s/soundgarden/bla
https://tabs.ultimate-guitar.c....om/s/soundgarden/bla


Huge thanks to our gold-level Patreon supporters:

Ron Jones
Jill Jones
Susan Jones
Howard Levine
Elaine Pratt
Ken Arnold
Nakarin: https://www.youtube.com/user/jerom09666
Mark Yachnin

And thanks as well to Henry Reich, José N., Logan Jones, Eugene Bulkin, Abram Thiessen, Anna Work, Oliver, Jody, Jc Bq, Adam Neely, Jon I, David Zahara, nico, Mark Himmelberger, Chris Borland, Harold Gonzales, Lucas van Loomis, Alex Henson, jason black, and Dutreuilh Olivier! Your support helps make 12tone even better!

Also, thanks to Jareth Arnold and Inés Dawson for proofreading the script to make sure this all makes sense hopefully!

How unusual non-linear crystals can entangle particles of light, or photons.
Thanks to non-profit edX.org for sponsoring this video. Go to http://bit.ly/edXPhysicsGirl to learn more about MIT's Circuits and Electronics course or other classes from some of the top universities in the world.

Quantum entanglement involves a special process of splitting photons into two. But it involves a process and a crystal that can split photons. How does that lead to entangled particles?

To find out more about the specifics of how to entangle photons, check out this awesome video from whentheappledrops https://www.youtube.com/watch?v=ixCljzqHkHI


http://physicsgirl.org/
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Creator: Dianna Cowern
Research: Sophia Chen
Thanks to: Jabril Ashe, Ashley Warner, Rebecca Holmes and Dan Walsh

In this episode of Doing Stuff With Crazy Aunt Lindsey we learn that oil and water DO mix! Well, sort of. Get the full story on this project and more resources at http://crazyauntlindsey.com/20....13/09/12/the-fab-lab

Start learning new skills today at: https://skl.sh/tibees2

Todays episode looks at one 'proof' of 1=2 and points out its flaws. The moral is that you must make sure you are not accidentally dividing by zero in your calculations and also that you should always look a little closer at life.

I make videos about physics, math, astronomy and scientific beauty with a new episode every wednesday and sunday.
Please subscribe ❤ https://www.youtube.com/user/tibees?s...
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✨

Proving the most beautiful equation Bob Ross style: https://youtu.be/-AyE1Wpgo3Q

#JoyofMathematics

Music by Epidemic Sound 'Midnight Jazz Mood 1': http://epidemicsound.com/creator

vedio

Have you ever wanted to hide in plain sight? I got you.

SUPPORT ME ON PATREON: https://www.patreon.com/JunieGenius

HANG W/ ME ONLINE:
INSTAGRAM - https://www.instagram.com/juniegenius/
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Song Credit:
Club Bumper by Brend
https://soundcloud.com/brendmusic/club-bumper

"I’m designating the Stonewall National Monument as the newest addition to America’s national parks system. Stonewall will be our first national monument to tell the story of the struggle for LGBT rights. I believe our national parks should reflect the full story of our country – the richness and diversity and uniquely American spirit that has always defined us. That we are stronger together. That out of many, we are one." - President Barack Obama

On June 24, 2016 President Obama designated the site of the Stonewall uprising and birthplace of the modern LGBT civil rights movement the “Stonewall National Monument.” This new monument is a testament to the diversity, inclusiveness, and individual freedom that make America great.

More people have died in the pursuit of spaceflight, but only the crew of Soyuz 11 was exposed to the environment above the Karman Line (and yes, I erroneously called it the von Karman line in the video since that was his name!).

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Or get a signed hardcover edition on my website! http://www.amyshirateitel.com/store.html - IT'S BACK ONLINE! :) (But orders are slow for the moment - waiting for books from my publisher!)

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If you sing at a wine glass at its exact resonant frequency, you can break the glass without the help of a speaker! Learn the physics behind that.
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Creator: Dianna Cowern
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Thanks to Kyle Kitzmiller, Dan Walsh and Mike Boyd!
And to my parents and roommates to endured the screeching.

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Every movement starts somewhere and Stonewall is the birthplace of our modern LGBTQ+ rights. Knowing our history is so important - both paying respect to those who fought hard for our freedoms, and also using the stories to help remind and inspire resistance today.

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Find Janet Mock:
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Get Her Book, "Surpassing Certainty" here:
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Check out my new website here! https://www.simonoxfphys.com/

Note that there's a huge amount about pi that I didn't cover in this video due to time - I didn't even mention proofs of it being irrational and transcendental, or why we call it pi! I chose to focus on the development of its approximation as a hook to teach the broader history of mathematics, rather than make this video an exhaustive list of facts. The wiki is a great place to learn more about the rest of the number's history and applications in maths and physics: https://en.wikipedia.org/wiki/Pi#History

A few nitpicky things:
- I made mistakes distinguishing between 'digits of pi calculated' and 'decimal points of pi calculated' in some sections, so it is possible that this error is elsewhere without me knowing.
- Archimedes didn't do his approximation with squares, he started with hexagons and then increased the order of the polygon. I chose to present the zeroth order version of his algorithm using squares for simplicity, but note that this is not what he did.
- Something which got lost from the final version of this video is my argument that during the Age of Enlightenment pi shifted from being a physical (measured) constant to a purely logical (theoretical) one. This then embodies the philosophical shift in society at the time. This is hinted at but not fully explained, so I thought I'd put this here.
- Lastly, I am truly sorry for the pronunciations which I doubtlessly completely murdered in this video. At least I spared you my attempt at Chinese.

I am hugely indebted to Alex Bellos and his excellent book Alex's Adventures in Numberland for the inspiration to make this video. There is an entire chapter of the book devoted to a broader but shallower discussion of pi and its history, which I highly recommend.

You can support the channel by donating at http://www.patreon.com/simonoxfphys

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Huge thanks to my supporters on Patreon: Dan Hanvey, David Efird, Elliot Conway, Robert Eldon, Syafiq Kay, Xavier Chesterfield, Jay Wright, Myles Kornfeld, Louis Gillet, Michael Phillips, Neudys Almonte, Fraser Birks, Martin Hermes, Anh Duong, Luca Schumann, Rhys Rickard-Frost, Cameron Matchett, Lachlan Woods, Tim Boxall, Simon Vaes, Gabriele Mozzicato, Jawad Alalasi, Gaia Frazao Nery, Kodzo, Josh Ruby, Claire Anthony, Eve Dillon, Rowan Gow, Matthias Loos, James Bridges, James Craig, Angela, Sanaa Al Derei, Mark Anthony Magro, Liam, Theresa Wang, Kieran Kelly, Wendover Productions, Kendra Johnson, Caitlin Louise.

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Thanks to Vlogbrothers for their sponsorship of this video. Money from the Foundation to Decrease Worldsuck contributed to equipment used in this video.

Want to know what one rank is equal to in another branch of the US Military? Thats what im doing in this video. Check it out to find out how all the different US Military ranks compare to each branch of service.

* Keep in mind that the content in this video is intended for a general understanding of the topic. Im a US army veteran with over 10 years in the Army but some information in this video may not be included for time purposes. Always make sure to seek out additional information from an Army recruiter, career counselor or an appropriate Army representative for updated information and further details on the subject. *

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///////////////////////FAQs///////////////////////////

- I was active duty US Army for just over 10 years.
- I was an 88M (motor transportation operator).
- I got out as an E-5/ SGT.
- I was stationed at Fort Riley, JSA, Korea and Fort Carson.
- I deployed to Iraq twice.
- I currently (as of this video) work as civilian instructor for the Army.

We are all familiar with the most common form of the US military salute, a respective gesture from a military personnel raising her right hand to eye level. But many may not know where it comes from. In fact, the origins of the US military salute isn't a clear-cut case. Editor of Army Officer's Guide and Acting Secretary of the American Battle Monuments Commission, Robert J. Dalessandro, shares his insight about the complicated history of the military salute. Following is a transcript of the video.

Robert J. Dalessandro: The origin of the military salute that we use in all the armed services of the United States is really shrouded in mystery. We really don't get a good look at what the quote, unquote customs, and traditions are until the Army spells them out around World War I.

In the Army, we say that the tradition certainly goes back to Roman times. If you've ever seen any of the Roman movies, the Romans would sometimes slap their chest and put their arm up in the air as a matter of salute. And they say that that salute had an origin to show allegiance from your heart and then to show that you didn't have a weapon in your fighting hand — that your hand was open and that you're a friend. That's one of the very early origin stories.

There's a second one. One is that in the times of the knight. A knight who saw a friendly knight or to pay tribute to a king would raise the visor of his helmet, to let that person see their face. And then, show an open hand, again that they didn't have a sword in their hand.

If you think about the act of grabbing the visor of your helmet and lifting it up to show your face, and you think about today's salute where the right arm is taken up and touches the brim of your headgear, helmet, or soft hat, that is very similar to this medieval era days of knights.

I would say those are the two most common origin stories of the salute. We know that all of these legends and myths that have been passed down to us on how the salute started — they have in common the idea of showing that you are not hostile to the person you're approaching, that you don't have a weapon in your hand, and that you are in fact a person that wants to speak with, and perhaps honor the person you are approaching.

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The 369th Infantry Regiment was constituted on 2nd June 1913 in the New York Army National Guard as the 15th New York Infantry Regiment. And would become known as the first ‘African-American regiment’ to serve with the American Expeditionary Forces during World War I.

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Credit:

Narrator:

Chris Kane
https://ckvox.com/

Artwork:
Daniel turner

Direction, Animation:
Daniel Turner

Music:

'The Descent',"Prelude and Action"

by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

http://www.lionheart-filmworks.com
A new series featured only on this channel -- bringing to life with vivid recreations and sound -- short military history biographies of the branches of the United States Military and the wars they fought -- as well as some of the men who led and those who followed and fought with heroism and without regard for themselves. Different eras and different branches every episode - The United States Army... Navy... Air Force... Marines.

For education, entertainment, enlightenment and inspiration. We hope you enjoy and even learn something. Never forget!

Some other videos you might like on our Channel:

400 Evolution of the United States Army Uniform: https://www.youtube.com/watch?v=n3Q6RyDFAJI&t=21s

Cpl. Freddie Stowers - 1918 Medal Of Honor Moment: https://youtu.be/tRcy2plxPQs

"Civil War Uniforms of Blue & Grey - The Evolution" Volume 1: https://www.youtube.com/watch?v=n8MAlu2NEps&t=25s

U.S. Army Battles & History - World War Two - Heroism & Honor: https://youtu.be/ldnpvOFn7fE

Lt. Robert T. Waugh - 1944 Medal Of Honor Moment: https://www.youtube.com/watch?v=HwpJnAfoHCU&t=407s

Medal of Honor Moment - Sergeant York: https://www.youtube.com/watch?v=ad9FWugOIyM

Learn about one of the most important events in the ongoing struggle for LGBTQ rights in American history. The violent protests that took place at the Stonewall Inn, on June 28th, 1969 during a raid by police, became a catalyst for future demonstrations and an enduring symbol of the LGBTQ rights movement.

The Stonewall Inn Riots sparked the beginning of the gay rights movement in America. Learn how members of the LGBTQ community came together to protest exploitation and police harassment.
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HISTORY Topical Video
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Whether you're looking for more on American Revolution battles, WWII generals, architectural wonders, secrets of the ancient world, U.S. presidents, Civil War leaders, famous explorers or the stories behind your favorite holidays.

HISTORY, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, epic miniseries, and scripted event programming. Visit us at HISTORY.com for more info.

We spent four days inside the United States Coast Guard's intense, eight-week basic training program in Cape May, New Jersey. Coast Guard recruits undergo an intense journey that’s heavy on both academic and physical challenges. What sets it apart are the brutal “smoke sessions,” where recruits are disciplined as a group for mistakes made by individuals in their respective companies. We were embedded at Training Center Cape May for four days, allowing us to see different companies at various stages of the program, culminating with the emotional graduation ceremony on the Friday of week eight. 

MORE MILITARY CONTENT:
Tracking Drug Smugglers And Unauthorized Migrants With The Coast Guard In Miami
https://www.youtube.com/watch?v=O8Jp3xhUfWw
What New Army Cadets Go Through On Their First Day At West Point
https://www.youtube.com/watch?v=ojJupoAyT58

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What It Takes To Survive Coast Guard Boot Camp

I took on the challenge of training like a Marine recruit for three days at Parris Island! Thank you to the Marines for sponsoring this opportunity. To everyone who has served: you are a badass, and thank you for your service.

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//

TEAM MK:

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Editor - Silas Orteza
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Check out Lucas, Jesse, and Caleb’s Videos of our experience! :)

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We got an inside look at what it's like on the first day for new cadets at the United States Military Academy at West Point. Over 1,200 cadet candidates arrived on campus on a sweltering July morning for "Reception Day." After an emotional farewell with their families, the new cadets took the first steps of a rigorous six-weeks-long basic training regimen.

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Tracking Drug Smugglers And Unauthorized Migrants With The Coast Guard In Miami
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US Army

Men and women are different. We are wired differently and tend to process information differently. While there is incredible variability among men as a group and among women as a group, there still tend to be some common and significant differences between these groups. These differences extend to how men and women experience mental health issues, including depression.

Ryan M. Denney, PhD is a psychologist at Connections. He holds a Doctorate of Philosophy in counseling psychology from The University of Southern Mississippi. His professional associations include the Christian Association for Psychological Studies and American Psychological Association.

Diabetes is a huge concern, with obesity as the leading cause. What's the difference between Type I and Type II, and is there a cure?

Get 15% off http://www.domain.com's domain names and web hosting when you use coupon code DNEWS at checkout!

Check out Kaylee's personal channel: http://www.youtube.com/explorium

Diabetes: Symptoms, Causes and Treatments
http://www.medicalnewstoday.com/info/diabetes/

“Diabetes, often referred to by doctors as diabetes mellitus, describes a group of metabolic diseases in which the person has high blood glucose (blood sugar), either because insulin production is inadequate, or because the body's cells do not respond properly to insulin, or both.”

A toddler with type 2 diabetes
http://www.sciencedaily.com/re....leases/2015/09/15091

“New research details the case of a 3-year old girl with type 2 diabetes -- thought to be one of the youngest ever people to present with the condition.”

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Explore the biological and psychological factors that influence how we experience pain and how our nervous system reactions to harmful stimuli.

--

In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the doctors took off his boot, they discovered that the nail had never touched his foot at all. What’s going on? Joshua W. Pate investigates the experience of pain.

Lesson by Joshua W. Pate, directed by Artrake Studio.

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Thank you so much to our patrons for your support! Without you this video would not be possible! Jose Arcadio Valdes Franco, Brandy Sarver, Guy Hardy, Tu-Anh Nguyen, Karl Laius, Madee Lo, JY Kang, Marc Bou Zeid, Abhishek Goel, Charles A Hershberger, Coenraad Keuning, Robert Seik, Heidi Stolt, Alexis Hevia, Todd Gross, Brady Jones, Christina Salvatore, Zhong Ming Zenny Tan, Karisa Caudill, Bruno Pinho, Derek Drescher, Mihail Radu Pantilimon, Amin Shahril, Mohamed Elsayed, Barthélémy Michalon, Chumi Ogbonna, Karlee Finch, Mohammad Said, jj5252, Kelvin Lam, Mauricio Basso, Athena Grace Franco, Tirath Singh Pandher, Melvin Williams, Tsz Hin Edmund Chan, Nicolas Silva, Raymond Lee, Kurt Almendras, Denise A Pitts, Abdallah Absi, Dee Wei, Richard A Berkley, Tim Armstrong, Daniel Nester, Hashem Al, denison martins fernandes, Doug Henry, Arlene Spiegelman, Michał Friedrich and Joshua Wasniewski.

Juuling and smoking both contain nicotine, but is one healthier?
We talk Juuling on our Podcast! https://youtu.be/rLcyXPMRV3M

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References / Further Reading:
https://www.fda.gov/TobaccoPro....ducts/Labeling/Produ

https://www.checkupnewsroom.co....m/juuling-new-vaping

https://www.ncbi.nlm.nih.gov/pubmed/29853561

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC38599

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC53422

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC39952

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC27330

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC20403

https://www.ncbi.nlm.nih.gov/p....mc/articles/PMC49200

https://www.ncbi.nlm.nih.gov/pubmed/22377934

https://medium.com/@voopootech..../lets-talk-about-the

http://www.bat-science.com/gro....upms/sites/BAT_9GVJX

A lower testosterone level in a man can be the result of normal aging, but it can also be due to an underlying medical issue. In this Mayo Clinic Minute, Jeff Olsen speaks with urologist Dr. Landon Trost about the role of testosterone in the body and symptoms that may indicate your level is too low.
More health and medical news on the Mayo Clinic News Network http://newsnetwork.mayoclinic.org/

What is the prostate + What does the prostate do + What is BPH + What is the PSA Test + What are Prostate Cancer Symptoms + What are Prostate cancer treatments are questions all answered in this video! Scroll down for the full breakdown of the prostate.

0:36 - Who has a prostate?
1:00 - Anatomy Overview
1:47 - What is the prostate?
3:00 - What is Benign Prostatic Hyperplasia or BPH or Enlarged Prostate?
3:58 - BPH Symptoms
4:19 - BPH Treatment
5:06 - What is Prostate Cancer?
6:26 - Prostate Cancer Diagnosis
6:45 - Prostate Cancer Treatment
7:11 - Prostate Specific Antigen or PSA screening
10:10 - Prostate Exam or Digital Rectal Exam (DRE)

Hey all, Doctor Mike here! The prostate is a truly a misunderstood organ/gland. Not many people understand what the prostate does or what the prostate is. What makes the issue even more complex is what can go wrong with it. Benign Prostatic Hyperplasia (BPH) or enlarged prostate is a common condition that affects millions of lives. BPH treatments have several approaches that I discuss in this video. Prostate cancer is the number one cancer in men and not many people know the prostate cancer symptoms or the prostate cancer treatments. I'm sure many of you have heard of a prostate exam but not everyone knows the evidence behind it. The Prostate Specific Antigen (PSA) test is also very common but is not as good as you may think in extending or improving life.

I hope you enjoy my breakdown of this complex but important topic!

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Prostate Cancer Info:
https://familydoctor.org/condition/prostate-cancer
https://familydoctor.org/prost....ate-cancer-pros-cons
https://familydoctor.org/condi....tion/benign-prostati
https://www.pcf.org
https://us.movember.com

Disclaimer: Information within this video is not intended to be used in place of medical advice from your personal physician to guide your treatments. The opinions mentioned here are solely that of Doctor Mike and should be used for entertainment purposes only. You should ALWAYS consult your physician prior to making any healthcare decisions.

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Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world’s leading killer. So what causes a heart attack? Krishna Sudhir examines the leading causes and treatments of this deadly disease.

Lesson by Krishna Sudhir, animation by Chadwick Whitehead.

Many of us choose to enjoy the effects of alcohol, and we know that drinking too much is a bad thing, but what kinds of things can actually happen when you drink too much for too long?

Annotations:
The Science of Hangovers https://youtu.be/v4IIFfguf1U
Does Alcohol Kill Brain Cells? https://youtu.be/TpgpSIGIczc

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Sources:
http://www.scientificamerican.....com/magazine/sa-clas
http://www.bbc.co.uk/newsbeat/....article/30350860/the
http://www.nhs.uk/news/2011/10....October/Documents/wh
https://sites.duke.edu/apep/mo....dule-2-the-abcs-of-i
http://www.ncbi.nlm.nih.gov/pubmed/15704345
http://pubs.niaaa.nih.gov/publ....ications/AlcoholOver
http://science.howstuffworks.c....om/life/inside-the-m
https://www.nlm.nih.gov/medlin....eplus/alcoholismanda
http://www.mayoclinic.org/dise....ases-conditions/cirr
https://www.nlm.nih.gov/medlin....eplus/ency/article/0
http://www.cancer.org/cancer/c....ancercauses/dietandp
http://www.niaaa.nih.gov/alcoh....ol-health/overview-a
https://www.nlm.nih.gov/medlin....eplus/ency/article/0
https://www.ncbi.nlm.nih.gov/pubmed/20575793
https://www.ncbi.nlm.nih.gov/pubmed/20113871

Images:
https://commons.wikimedia.org/....wiki/File:Ethanol-3D
https://commons.wikimedia.org/....wiki/File:Acetaldehy
https://commons.wikimedia.org/....wiki/File:Acetate-an
https://commons.wikimedia.org/....wiki/File:Blood_Brai
https://commons.wikimedia.org/....wiki/File:Chemical_s
https://commons.wikimedia.org/....wiki/File:GABA_3D_ba
https://commons.wikimedia.org/....wiki/File:L-Glutamic
https://commons.wikimedia.org/....wiki/File:Gray677.pn
https://commons.wikimedia.org/....wiki/File:Prefrontal
https://commons.wikimedia.org/....wiki/File:Limbic_lob
https://commons.wikimedia.org/....wiki/File:Blausen_01
https://commons.wikimedia.org/....wiki/File:Liver_Cirr
https://commons.wikimedia.org/....wiki/File:Circulator
https://commons.wikimedia.org/....wiki/File:Thiamine_c

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