Terrifying on Instagram: "On Saturday, April 26, 1986, at 1:23:44 a.m., Reactor No. 4 at the Chernobyl Nuclear Power Plant near Pripyat, Ukrainian SSR, exploded during a poorly designed safety test. The test aimed to determine if the reactor’s turbines could power emergency systems during a blackout, but a combination of operator errors, a flawed reactor design (the RBMK), and the disabling of safety systems led to an uncontrollable power surge. The surge caused a massive steam explosion that bl