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Why Gravity is NOT a Force – by  Veritasium

Why Gravity is NOT a Force – by Veritasium

The General Theory of Relativity tells us gravity is not a force, gravitational fields don’t exist. Objects tend to move on straight paths through curved spacetime. Thanks to Caséta by Lutron for sponsoring this video. Find out more at:...
For Good Measure

For Good Measure

Contributed by: Derek Totten …a good balance of science and fun! Big Ideas:   Simple machines help objects to move. Simple machines and mechanisms make life easier and/or more enjoyable for humans. Curriculum Connection: Grade 3: Structures and Mechanisms...
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