Search Results: "Circumference"
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07:56 Popular
Math Antics - Circles, Circumference And Area
1,784 views / 0 likes - addedLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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02:59 Popular
Arc Length As Fraction Of Circumference
1,257 views / 0 likes - addedArc length as fraction of circumference More free lessons at: http://www.khanacademy.org/video?v=XFI7GK4Nv-s
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04:58 Popular
How Long Would It Take To Walk Around The World?
799 views / 2 likes - addedBen explains what goes into calculating how long it would take to traverse the globe on foot, and tells us about some intrepid explorers who've tried to do it. Learn more at HowStuffWorks.com. Share on Facebook: https://goo.gl/CBwvRQ Share on Twitter: htt
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03:09 Popular
Circumference of a Circle
746 views / 0 likes - addedu07_l2_t3_we2 Circumference of a Circle
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How simple ideas lead to scientific discoveries
620 views / 0 likes - addedAdam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measure
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Finding Radius And Diameter From Circumference
610 views / 0 likes - addedFinding radius and diameter from circumference
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Proving the earth was round over 2,200 years ago. Eratosthenes. Carl Sagan. Cosmos.
587 views / 0 likes - addedCarl Sagan - Cosmos - Eratosthenes.Carl Sagan talks about Eratosthenes, the man who estimated the circumference of the earth using just a stick, eyes, feet and his brains, debunking flat earthers over 2,200 years ago.
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The Infinite Life Of Pi - Reynaldo Lopes
580 views / 0 likes - addedView full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number
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Calculating the circumference of the Earth in 200 BC
524 views / 0 likes - addedIn one of the dopest displays of critical thinking in history, Eratosthenes estimated the circumference of the Earth. All he had was a pole, the sun, knowledge of a famous well in Egypt, and potentially money to pay someone to walk the distance between tw
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The Craziest Fact I Know - String Around The Earth Puzzle
34 views / 1 likes - addedThe String girdling Earth is a mathematical puzzle with a counterintuitive solution. In a version of this puzzle, string is tightly wrapped around the equator of a perfectly spherical Earth. If the string should be raised 1 meter (3 ft 3 in) off the groun
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