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Physics works! And I'm still alive!
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The latest Messages 53
2021-11-04 16:46:05
Time is slowing down.
Tidal friction caused by the Moon's gravitational pull is causing Earth's rotation to slow so that a day on Earth gets 1.4 milliseconds longer about every 100 years. To compensate, every so often a "leap second" is added to atomic clocks.━━━━━━━━━━━━━
@Physics
20.2K views13:46
2021-10-31 13:05:45
This is what happens when a black hole swallows a star━━━━━━━━━━━━━
@Physics
21.9K views10:05
2021-08-13 21:04:50
Energy doesn't disappear, it just switches places. The chemical potential energy in a full phone battery is transformed into electrical energy for your phone, which is turned into heat and light for display, which is why you can read this on your screen! The energy itself never disappears. That doesn't stop your battery needing a recharge though.━━━━━━━━━━━━━
@Physics
58.5K views18:04
2021-08-11 19:12:56
Hawking radiation is black-body radiation that is theorized to be released by black holes because of quantum effects near the black hole event horizon. It is named after the physicist Stephen Hawking, who developed a theoretical argument for its existence in 1974.━━━━━━━━━━━━━
@Physics
48.6K views16:12
2021-08-09 14:24:06
Sometimes water seems to defy the laws of physics, holding together despite the attempts of gravity or even the pressure of heavy objects to break it apart.
This is the power of surface tension, a property that makes the outer layer of a body of water (and some other liquids) act like a flexible membrane. Surface tension arises because water molecules bond loosely with one another. Due to the weak bonds between them, the molecules at the surface experience an inward pull from the molecules beneath them. Water will stick together until the forces pulling them apart overtake the strength of those weak bonds, and break the surface.━━━━━━━━━━━━━
@Physics
43.8K views11:24
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