I almost forgot, but today, the 2nd December, marks the 73 year anniversary of the world's first man-made nuclear reactor 🙂 (Yes, you read that right; there have been nature-made nuclear reactors here on earth <3).
In 1942, man achieved the first self-sustaining chain reaction, and thereby initiated the controlled release of nuclear energy.
On the picture below, you even see the ax man - or the Safety Control Rod Axe Man (SCRAM), and even today it's called scramming the reactor when you shut it down:
