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Astronauts Can Make This Tool 'Dance' In Zero Gravity

Aug 23, 2015 By Houston Barber
This T-Handle can wobble and turn in mid air, but how does it work? If you're like me you're wishing you paid more attention in physics class. It turns out the answer is relatively simple.

It all has to do with a concept known as "the moment of inertia." This is what causes the T-handle to flip and rotate around an axis. Astronauts aboard the International Space Station were demonstrating this concept when they shot this video. You can try this for yourself, you just have to figure out the "getting to space" part on your own.
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