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06:34 Popular
The First Electric Motor

1,491 views / 0 likes - added 5 years ago

Michael Faraday launched a torrent of innovation and discovery when he demonstrated the first electric motor. This video discusses this important early device, including a demonstration of a working model of Faraday's electromagnetic rotation device.
05:44
Build an Electroscope

556 views / 0 likes - added 5 years ago

The electroscope is a simple device designed to detect and measure electrostatic fields. This centuries old device is the ancient ancestor of modern Digital Multi Meters.
05:08
An Elegant Machine - The Stirling Engine

566 views / 0 likes - added 5 years ago

The Stirling Heat Engine is an elegantly simple machine. Very efficient, the model in this video will actually run using the heat from your hand. YouTube channel: https://www.youtube.com/user/ScienceOnline/videos
07:44
Newton's Remarkable Cradle

449 views / 0 likes - added 5 years ago

This deceptively simple device can behave in some very unexpected ways. The math and physics behind the movements can be used to explain this behavior.
03:29
Honey Bees in Winter - An Amazing Sound

560 views / 0 likes - added 5 years ago

Honey Bees have evolved an interesting strategy for surviving the sub-zero temperatures of a northern winter.
08:45
Build an Ancient Astronomical Instrument

545 views / 0 likes - added 5 years ago

Build an ancient astronomical instrument - an Armillary Sundial. Based on technology that is thousands of years old, this device is capable of accurately displaying the time when mounted correctly in a sunny location.
04:19 Popular
Observe Newton's Cradle

791 views / 0 likes - added 5 years ago

Observing Newton's Cradle A slow motion look at the interesting interactions of the 5 pendulums of a Newton's Cradle. For an explanation of this complex interplay of momentum and Kinetic Energy, view this video: https://www.youtube.com/watch?v=JNYS1ZhTJRA
06:39
The Star That Redefined the Universe

370 views / 0 likes - added 5 years ago

Delta Cephei is a visible star located in the constellation Cepheus. It is uniquely variable and provided astronomers with a new tool to measure the universe with. This important star is the prototype of a class of stars called Cepheid Variables. This vid

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