In 1956, physicist David Pines theorized the existence of a massless, neutral plasmon called a “demon” that could help ...
For the first time, scientists have observed a collection of particles, also known as a quasiparticle, that's massless when ...
Bizarre particle gains or loses mass depending on direction it travels By Michael Irving December 11, 2024 Scientists have accidentally discovered a strange particle that has mass when it moves in one ...
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