Huh I didn’t know antimatter was a completely confirmed thing.
After making a thin gas of thousands of antihydrogen atoms, researchers pushed it up a 3-metre-tall vertical shaft surrounded by superconducting electromagnetic coils. These can create a kind of magnetic ‘tin can’ to keep the antimatter from coming into contact with matter and annihilating. Next, the researchers let some of the hotter antiatoms escape, so that the gas in the can got colder, down to just 0.5 °C above absolute zero — and the remaining antiatoms were moving slowly.
The researchers then gradually weakened the magnetic fields at the top and bottom of their trap — akin to removing the lid and base of the can — and detected the antiatoms using two sensors as they escaped and annihilated. When opening any gas container, the contents tend to expand in all directions, but in this case the antiatoms’ low velocities meant that gravity had an observable effect: most of them came out of the bottom opening, and only one-quarter out of the top.
That might be dark matter you’re thinking about
Maybe!
Not only does it exist, but bananas give off a fair bit of antimatter due to their decaying potassium isotopes.
Allegedly, im not smart enough to verify it
El psy kongroo
They say if you microwave bananas, you will get green gel bananas
^dont ^actually ^try ^that
We need a Far Side where ape scientists are colliding two bannanas at high speed
anti-matter? ya, we have been observing it for quite a while (testing is difficult for reasons), it naturally accumulates in parts of the Van Allen belt.
Dark matter on the other hand is still completely up for question
The Large Hadron Collider wouldn’t work if antimatter wasn’t confirmed.
Why wouldn’t it work?
Because it involves colliding protons and antiprotons.
Sure, but it doesn’t just collide protons and antiprotons, does it?
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Hmm interesting. I wondered if it would be attracted or repelled by matter. It does annihilate when it comes in contact with mater, right?
Isn’t “falling up” just another way of saying that it’s repelled by matter?
Yes
Why would anyone think it would fall up?
Because there is no theory of quantum gravity we have no idea how gravity could interact with anti matter. By showing that antimatter behaves just like matter when interacting with gravity we can learn a lot about it and cut the number of possible theories of quantum gravity in half.
Because one common assumption was that the universe might contain as much antimatter as matter.
Which begs the question: Where did it go? We would notice a huge amount of annihilation reactions in the solar system.
“Antimatter falls up” (is gravitationally repelled instead of attracted by normal matter) was an easy hypothesis to explain that.
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