Cherenkov Radiation
Jan. 11, 2025
How a particle racing through a vacuum leaves a trail of blue light Cherenkov Radiation, a phenomenon that occurs when particles travel faster than the speed of light in a given medium. It produces this gorgeous blue color, and is perfectly safe to observe. : Neil Gunther on X: "If, like me, you're losing sleep over the source of the "blue flash", think Cherenkov radiation: the luminal equivalent of a sonic boom. That's caused by charged particles ( Cherenkov Radiation
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