Search Results: "Circumference"
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03:36
Finding Radius And Diameter From Circumference
351 views / 0 likes  addedFinding radius and diameter from circumference

02:59 Popular
Arc Length As Fraction Of Circumference
850 views / 0 likes  addedArc length as fraction of circumference More free lessons at: http://www.khanacademy.org/video?v=XFI7GK4Nvs

06:13
Calculating the circumference of the Earth in 200 BC
252 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

07:56 Popular
Math Antics  Circles, Circumference And Area
833 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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05:25
Calculating the circumference of the earth in 200BC  Carl Sagan
18 views / 0 likes  addedCarl Edward Sagan was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstra

07:32
How simple ideas lead to scientific discoveries
328 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

06:42
Proving the earth was round over 2,200 years ago. Eratosthenes. Carl Sagan. Cosmos.
266 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.

03:45
The Infinite Life Of Pi  Reynaldo Lopes
317 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/theinfinitelifeofpireynaldolopes 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

03:45
The infinite life of pi  Reynaldo Lopes
273 views / 0 likes  addedView full lesson: http://ed.ted.com/lessons/theinfinitelifeofpireynaldolopes 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

04:58
How Long Would It Take To Walk Around The World?
447 views / 1 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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01:22
Circle in Circle. Optical illusion
324 views / 0 likes  addedProbably this is the first Cardano's Hypocycloid mechanical model, not animation, that model makers have ever built. This motion was described first by Nicolaus Copernicus Consider two circles of radii R and R/2 with the smaller one rolling inside the big

1:00:25
Cosmos: A Personal Voyage, Ep. 01 "The Shores of the Cosmic Ocean"
88 views / 0 likes  addedCarl Sagan opens the program with a description of the cosmos and a "Spaceship of the Imagination" (shaped like a dandelion seed). The ship journeys through the universe's hundred billion galaxies, the Local Group, the Andromeda Galaxy, the Milky Way, the

14:33
10 Magic Pranks To Do At Home!
68 views / 1 likes  addedFunny pranks, magic tricks and challenges you can do at home!Subscribe here http://bit.ly/SubToEvanMagic Shop here http://www.EvanEraTV.comSend Mail ToPO Box 943Crestwood KY 40014 USALaugh@Life Merch http://www.ShopLaughAtLife.comBecome a Member http://bi

05:24
What If We Dug A Tunnel Through The Earth?
347 views / 0 likes  addedSupport us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us on Tumblr: http://universetoday.tumblr.com/ Like us on Facebook: https://www.facebook.com/universetoday Googl
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