Explaining on Instagram: "During the Chernobyl disaster, the reactor’s fuel rods played a critical role in turning a test into a catastrophe. ☢️🔥 When operators shut down the reactor incorrectly, power unexpectedly surged. The graphite-tipped control rods were inserted to stop the reaction, but their design caused a brief spike in reactivity instead of reducing it. This sudden surge overheated the fuel rods, rupturing them and rapidly turning water into steam, which led to a massive steam explo