› added 10 years ago

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TIL that carbon nanotubes were used in a Damascus steel sword from the 17th century. It is thought that the nanotubes along with nanowires give the legendary steel its strength.

Read more news.nationalgeographic.com

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Y7LBd TIL adult cats meow only as a way to communicate with humans and not other cats.
wLra8 TIL Hallmark created wrapping paper. In 1917, after running out of tissue paper, the Hall Brother's store in Kansas City resorted to selling colourful envelope liners. This proved to be successful and inspired them to create wrapping paper.
wLKy7 TIL astronaut Gus Grissom named the Gemini 3 Molly Brown, in the hope that it wouldn't sink after splashdown. NASA didn't like it and asked him to change the name, to which he replied, "How about the Titanic?" NASA relented, but this was the last time astronauts were allowed to name their capsule.
nWWjb TIL one night of Firebombing on Tokyo had a death toll of around 100,000 which was higher than the Nuclear Bomb dropped on Nagasaki at a death toll of 80,000.
X0ZRk TIL There’s still king of the Zulu