December 21, Enjoy Winter/Summer Solstice
December 21, Enjoy Winter/Summer Solstice
From playlist Short Videos
Solstice and Equinox - Sixty Symbols
Summer solstice, equinox, Stonehenge and strange movements of the sun. Sixty Symbols tracks the sun's passage through the sky. More physics and astronomy at http://www.sixtysymbols.com/ Follow us on Twitter at http://twitter.com/#!/periodicvideos And Facebook at http://www.face
From playlist Cool Things to Know -- LEANBACK #7
Solution #35 Walk Near North Pole and South Pole!
Solution #35 Walk Near North Pole and South Pole!
From playlist Solutions to Bi-weekly Physics Problems
Astronomy - Ch. 2: Understanding the Night Sky (14 of 23) Why Do We Have Seasons?
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain why we have seasons.
From playlist ASTRONOMY 2 THE NIGHT SKY
Astronomy - Ch. 28: The Milky Way (4 of 27) Orientation of the Ecliptic Plane
Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 We will learn about the ecliptic plane of our solar system in relationship with our Milky Way Galaxy respect to theta=angle between g
From playlist ASTRONOMY 28 THE MILKY WAY GALAXY
Geodetic Coordinates: Computing Latitude and Longitude
In this video we show how to compute the geodetic latitude and terrestrial longitude if given the velocity north and east. This is useful for simulating a body moving over a spheroid Earth model. Topics and timestamps: 0:00 – Introduction 0:10 – Terrestrial longitude, geodetic latitude,
From playlist Flight Mechanics
Undecidability Tangent (History of Undecidability Part 1) - Computerphile
What was the first undecidable problem? Professor Brailsford takes us on a computerphile tangent & gives us his angle on a pre-computer example of undecidability. Note from Professor Brailsford: a couple of corrections for this film: 1/ "... early 18th Century" for Gauss should be " ... e
From playlist The History of Undecidability
You're there, and I'm here. And we're all on the Earth. But where is the Earth? In the Solar System, obviously, which is in the Milky Way, and so on. Think about your place in the cosmos, your exact spot in the Universe relative to everything else. It's time to get your bearings, and once
From playlist Planets and Moons
Abbas Amanat Talks About His Book, Iran: A Modern History
Abbas Amanat, William Graham Sumner Professor of History at Yale University and Director of the Program in Iranian Studies at the MacMillan Center, has taught and written about early modern and modern history of Iran, Muslim world, the Middle East and the Persianate world for more than thr
From playlist The MacMillan Report
Astronomy - Ch. 2: Understanding the Night Sky (8 of 23) Understanding Celestial Coordinates
Visit http://ilectureonline.com for more math and science lectures! In this video I will explain the coordinates of the celestial sphere.
From playlist ASTRONOMY 2 THE NIGHT SKY
The Barbarian Invasions: A Genealogy of the History of Art - Eric Michaud
https://www.ias.edu/events/arthistory-michaud More videos on http://video.ias.edu
From playlist Historical Studies
Astronomy - Ch. 2: Understanding the Night Sky (16 of 23) High Noon at the North Pole
Visit http://ilectureonline.com for more math and science lectures! In this video I will describe what high noon looks like at the North Pole through out the year.
From playlist ASTRONOMY 2 THE NIGHT SKY
Bootheels and Honey Bees: The forgotten history of Missouri's Borders
Missouri played a significant role in both the pre-history and history of early European settlement of North America. But when it applied for statehood in 1818, it represented the pressing challenges facing the United States. This is original content based on research by The History Guy
From playlist US History
The Ultimate Guide to American Axes
Bernie Weisgerber explains how to use various types, hatchets, mauls, and wedges to take down trees, build log cabins and prepare firewood.
From playlist Mega Playlist
Yarshater Lectures - Round Table: Conceptualizing a Persianate Oecumene in the Early Modern Period
Round Table: Conceptualizing a Persianate Oecumene in the Early Modern Period April 27, 2017 Supriya Gandhi, Alan Mikhail, Steve Pincus, Sanjay Subrahmanyam, Kishwar Rizvi, Abbas Amanat In light of the lectures delivered by Prof. Subhrahmanyam, this discussion will consider the contour
From playlist The MacMillan Center
3. Dutch and British Exceptionalism
European Civilization, 1648-1945 (HIST 202) Several reasons can be found to explain why Great Britain and the Netherlands did not follow the other major European powers of the seventeenth century in adopting absolutist rule. Chief among these were the presence of a relatively large middle
From playlist European Civiliization (1648-1945) with John Merriman
Using topology to solve a counting riddle | The Borsuk-Ulam theorem and stolen necklaces
Solving a discrete math puzzle using topology. Help fund future projects: https://www.patreon.com/3blue1brown An equally valuable form of support is to simply share some of the videos. Special thanks to these supporters: http://3b1b.co/borsuk-thanks Home page: https://www.3blue1brown.com
From playlist Neat proofs/perspectives
The Practice of Mathematics - Part 1
The Practice of Mathematics Robert P. Langlands Institute for Advanced Study October 26, 1999 Robert P. Langlands, Professor Emeritus, School of Mathematics. There are several central mathematical problems, or complexes of problems, that every mathematician who is eager to acquire some b
From playlist Mathematics
Odd Arne Westad Talks About Empire and Righteous Nation: 600 Years of China-Korea Relation
Guest: Odd Arne Westad, Elihu Professor of History and Global Affairs Odd Arne Westad talks about Empire and Righteous Nation: 600 Years of China-Korea Relations. Professor Westad is a scholar of modern international and global history, with a specialization in the history of eastern Asia
From playlist The MacMillan Report
Measuring Earth's Magnetic Field
In this video the magnitude and direction of the earth's magnetic field is measured at West Lafayette, IN (40.4259 N, 86.9081 W)).
From playlist Magnetic Fields