Month: September 2021

The famed Poincaré Conjecture – the only Millennium Problem cracked thus far. More links & stuff in full description below ↓↓↓ Ricci Flow (used to solve the problem): http://youtu.be/hwOCqA9Xw6A Riemann Hypothesis: http://youtu.be/d6c6uIyieoo Extra interview footage with Jim Isenberg: http://youtu.be/7eJleW0JcKg Grigori Perelman’s paper: http://bit.ly/perelmanpaper Discussed here by Katie Steckles and James Isenberg. Support us on Patreon:
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Let’s face it: Humans are pretty messy. Industrial processes like mining and manufacturing are important parts of keeping civilization going, but they all impact the environment. Sometimes that impact is particularly big and messy, leaving behind hazardous waste that can take years or even decades to clean up. Hosted by: Hank Green ———- Dooblydoo thanks
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Today’s wildfires burn, on average, twice the amount of land they did in 1970. The reason? We’ve been working too hard to put them out. Thanks to our Patreon patrons: – Today I Found Out – Jeff Straathof – Mark – Maarten Bremer – BurmansHealthShop – Duhilio Patiño – Alberto Bortoni – Avi Yashchin –
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Sign up for our newsletter and never miss an animation: http://bit.ly/TEDEdNewsletter View full lesson: https://ed.ted.com/lessons/the-history-of-the-world-according-to-cats-eva-maria-geigl In ancient times, wildcats were fierce carnivorous hunters. And unlike dogs, who have undergone centuries of selective breeding, modern cats are genetically very similar to ancient cats. How did these solitary, fierce predators become our sofa sidekicks? Eva-Maria Geigl traces
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Douglas talks about the research on top students learning habits. Douglas is the founder and Global Chairman of Elevate Education. Douglas and Elevate has spent the last 13 years benchmarking the practices of the highest performing students in order to identify exactly what drives student performance. Today, Elevate works with over 1200 schools across Australia,
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Bill Nye’s Answer to the Fermi Paradox New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ———————————————————————————- It’s not unusual to hear someone openly say that they can’t do math at all; that they can’t figure out the percentage to tip on a bill. If someone
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I received many requests for this challenging problem. Can you solve it? Thanks to Toli for the suggestion! Geometry solution in method 1 http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/15degreesgeometric.html Another geometry solution http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/solution2.html Trigonometry solution http://128.192.17.191/EMT668/EMAT6680.F99/Estes/15degrees/15degreestrigonometric.html Go Geometry discussion https://gogeometry.blogspot.com/2009/11/problem-395-square-15-degree.html https://drive.google.com/file/d/1A0Az5nJ9wGBwcM2F4gQY2dSfeKJZ1gSS/view Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I
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The internet uses a lot of energy! But people have come up with ways to make it more efficient. This episode was produced in collaboration with and sponsored by Emerson. http://www.emerson.com/ilovestem Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———- Dooblydoo thanks go to the
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Janine Driver is Movement Pattern Analysis (MPA) profiler and CEO of BlueStreak Training, an online virtual communications training company, for individuals and businesses to better their lives through sales, body language, detecting deception, interaction styles and decision-making programs. She spent more than 16 years as a federal law enforcement officer within the Department of Justice
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Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized Talk recommendations and more. In this deeply charming and humorous talk, DJ and self-professed pirate Tom Nash meditates on how facing adversity due to disability invited patience, ambition and pragmatism into his life in enlightening, unexpected ways. “We all have unique weaknesses,”
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The reverse magnus effect – Curving and bending a ball using the magnus effect is common in soccer, tennis, and baseball. The effect can be reversed though – kick the ball the same way, and it will bend in the opposite direction! FYFD Boundary Layer Transition video: https://www.youtube.com/watch?v=roNMWE2CJxk FYFD: https://www.youtube.com/user/fyfluiddynamics Help us translate our videos!
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Most of us are hoping that any nuclear threats are just empty threats, and getting at the facts about ICBMs can be difficult. But what would actually happen if someone launched a nuclear weapon? We’re conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Michael Aranda ———-
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Sources & further reading: https://sites.google.com/view/sources-climate-how/ This video was supported by Gates Notes, the personal blog of Bill Gates, where he writes about global health, climate change, and more. Check out it out to learn more about ways the world can work together to reach zero greenhouse gas emissions: https://www.gatesnotes.com/Climate-and-energy?WT.mc_id=2021_ClimateCtr2021_CTRKurt-YT_&WT.tsrc=CTRKurtYT To get some background on how
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http://www.ted.com Comic author Rob Reid unveils Copyright Math (TM), a remarkable new field of study based on actual numbers from entertainment industry lawyers and lobbyists. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in
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The Most Beautiful Equation: How Wilczek Got His Nobel Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ———————————————————————————- Frank Wilczek was one of three recipients of the Nobel Prize in Physics in 2004 thanks to his work researching the so-called strong force. In this video interview, the
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Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Today I’m going to explain why you’re not falling through your chair right now using one simple fact, and one object. The fact is that all electrons are the same as each other, and the object is a structurally critical item of
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This problem is adapted from an Oxford University admissions question. They say if you can solve this in your head, you are a genius 😉 Alex Bellos’s column on The Guardian https://www.theguardian.com/science/2021/jul/12/did-you-solve-it-oxford-university-admissions-questions Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply but I do consider all ideas!
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Tadashi Tokieda puts $20 on the line… More links & stuff in full description below ↓↓↓ More Tadashi videos: http://bit.ly/tadashi_vids Paperclips: https://youtu.be/wGkvyN6s9cY Video by Brady Haran and Pete McPartlan (animations by Pete) Support us on Patreon: http://www.patreon.com/numberphile NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Numberphile is supported by the Mathematical
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