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IPFS News Link • Science, Medicine and Technology

Particle seen switching between matter and antimatter at CERN

• New Atlas

Antimatter is kind of the "evil twin" of normal matter, but it's surprisingly similar – in fact, the only real difference is that antimatter has the opposite charge. That means that if ever a matter and antimatter particle come into contact, they will annihilate each other in a burst of energy.

To complicate things, some particles, such as photons, are actually their own antiparticles. Others have even been seen to exist as a weird mixture of both states at the same time, thanks to the quantum quirk of superposition (illustrated most famously through the thought experiment of Schrödinger's cat.) That means that these particles actually oscillate between being matter and antimatter.


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