5. The time period between the invention of the pistol and the invention of the atomic bomb is shorter than between the pistol and gunpowder.
6. 400 tanks were lost during WWI simply because German troops dug their trenches wider, causing the tanks to fall and break their fragile driving systems.
7. Over 70% of the internet is bots.
8. Tesla never invented or intend to invent a wireless charging system. That was part of a series of notes he was writing for recreation and he never intend to attempt it because he felt it impractical.
9. After executing his wife’s lover, Peter The Great forced her to keep his head in a jar of alcohol in her bedroom.