Best Explanation of Gravity Ever

For many, the concept of gravity can be hard to conceptualize. Everyone understands gravity is the universal law of nature holding us to Earth’s surface, but what are the fundamental principles behind Isaac Newton’s most famous “discovery”?

Because of gravity, if you drop something, it falls down, instead of up. Well, everybody knows that! But, what does this really mean? Again, what is gravity? Gravity has played a big part in making the universe the way it is. Gravity is what makes pieces of matter clump together into planets, moons, and stars.

Gravity is what makes the planets orbit the stars–like Earth orbits our star, the Sun. Gravity is what makes the stars clump together in huge, swirling galaxies. One high school teacher used a seemingly simple explanation to make a relatively complex concept easier to digest.

NOW watch the video. Dan Burns explains his space-time warping demo at a PTSOS workshop at Los Gatos High School, on March 10, 2012. Thanks to Shannon Range from the Gravity Probe B program for creating the original demonstration which he shared with Dan in 2004.

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