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Physics works! And I'm still alive!
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The latest Messages 42
2022-06-21 04:47:33
Energy conservation helps skateboarders seemingly defy gravity. As they drop into a half-pipe, they are converting gravitational potential into kinetic energy in the form of velocity, which they use to launch themselves out to the other side.━━━━━━━━━━━━
@Physics | @Education
345 views01:47
2022-06-20 05:19:55
Astronauts on the 1969 Apollo 11 space mission measured the distance between Earth and the moon using a laser, with accuracy within the width of a finger.━━━━━━━━━━━━
@Physics | @Education
334 views02:19
2022-06-19 06:53:58
The active part of a laser can be made from many different materials. Certain crystals, glasses, gases, and polymers can be made to "lase", with different results. Some produce high pulses, for example, while others help make fibre optics work.━━━━━━━━━━━━
@Physics | @Education
2.1K views03:53
2022-06-18 09:45:42
Some animals can see light that
we can't. Bees can see ultraviolet light, while pit vipers can see infrared. Puppies, meanwhile, see into your heart.━━━━━━━━━━━━
@Physics | @Education
1.9K views06:45
2022-06-17 04:16:26
Jupiter doesn't orbit the Sun. The other planets in our solar system are so much smaller than the Sun that their centers of mass are deep inside of it. Jupiter, however, is so huge that it has the same center of mass as the Sun. Basically, they both orbit at the same point, which is just above the Sun itself.━━━━━━━━━━━━
@Physics | @Education
493 views01:16
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