Galaxies on Instagram: "When a nuclear reactor first powers on, it glows with an otherworldly blue light, one of the rarest sights on Earth. That glow is called Cherenkov radiation, a phenomenon that occurs when charged particles travel through water faster than light can move in that same medium. It’s not the light of fire, but of pure energy breaking a physical boundary. First discovered in 1934 by Russian physicist Pavel Cherenkov, the effect was later explained by Ilya Frank and Igor Tamm, e

Passioninvesting on Instagram: "Fun Fact: Tsutomu Yamaguchi, a 29-year-old Naval Engineer, survived both the atomic bombings of Hiroshima and Nagasaki in 1945. He was less than 2 miles from ground zero in Hiroshima on August 6th, and then boarded a train to Nagasaki, where he survived another atomic bomb on August 9th 😲. He lived till 2010, passing away at 93."