|How the Differential Gear works - 1930s video||
An excellent engineering video on how the differential gear works in an automobile, allowing each of the driving wheels to rotate at different speeds. This was an important innovation for cars to be able to smoothly turn corners.
A breed of domestic goats that faints when it gets excited because of the stiffening of the muscles.
|Sam Whittingham defends 82 mph world record for fastest human powered bicycle||
Sam Whittingham bikes faster than most cars on a highway to defend his world record for the fastest human powered bike. His world record is 82.3 mph or 132.5 km/h. The easiest gear of his custom-built bicycle is harder than any of the gears on a racing bike.
|MIT 6.00 Introduction to Computer Science and Programming - Lecture 1||
The first lecture of the popular MIT course on Computer Science and Programming, a good entry course for those who do not have a lot of programming experience.
|Gmail explained by puppets||
A Google theater presentation. Puppets explains: 1. Gmail spam prevention, 2. Organizes e-mails into conversations, 3. Gmail search, 4. Gmail chat.
|Autonomous Quadrotor Helicopter - Aggressive Maneuvers||
A very impressive demonstration of a small autonomous helicopter performing precise aggressive maneuvers - flips, flight through windows, and quadrotor perching.
|Stephen Hawking: Asking big questions about the universe||
Professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone?
|Women In Art||
500 Years of Female Portraits in Western Art. Nominated as Most Creative Video 2007 - YouTube Awards
|Einstein explains his famous formula E=mc²||
"Mass and energy are both but different manifestations of the same thing...very small amounts of mass may be converted into a very large amount of energy and vice versa."
|Lions vs Elephants||
The lions shows they remain the kings of the jungle. The elephant doesn't stand a chance.
Thirty giant hornets can destroy a colony of 30,000 honeybees in just 3 hours. The giant hornet is five times the size of the European honeybee, and has a very potent venom.
|Steve Jobs demos Apple Macintosh in 1984 to a cheering crowd||
The crowd goes wild when they see moving text and later a 3d chessboard, but the biggest highlight is when the Macintosh actually speaks. The Macintosh was revolutionary because it was the first PC to have a mouse and a graphical user interface.