I refer of course to Albert Einstein.
Einstein Was Right, Again: Novel Experiment Proves Antigravity Doesn’t Exist
Einstein Was Right, Again: Antigravity Doesn't Exist
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It turns out that Einstein was right yet again. A recent experiment just proved that antigravity doesn’t exist and we probably won’t ever get to use antimatter to levitate or build a perpetual motion machine or power warp drives (sorry, Star Trek).
Antimatter itself is very real. Made of particles that mostly behave like regular matter, but their electrical charges are reversed, an anti-proton looks just like a proton but has a negative charge, while an anti-electron (or positron) looks and moves just like an electron but has a positive charge. When a bit of antimatter bumps into a bit of matter, they explode so dramatically that all of their combined mass is converted into energy.
Now we know that matter and antimatter are drawn toward each other — not pushed apart — by gravity. Physicist Albert Einstein predicted this in his theory of general relativity years before the first positron was discovered, but Aarhus University physicist Emma Anderson and her colleagues at ALPHA (the Antihydrogen Laser Physics Apparatus) just tested the theory by watching atoms of anti-hydrogen — a single anti-electron orbiting an anti-proton — fall downward under the pull of Earth’s gravity.
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