› added 4 years ago

144

TIL about heavy water, which is just water but slightly heavier

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v1Aa4 TIL there was a product sold in the 80's and 90's called the "Electric Worm Getter". It was sold to fishermen for the collection of earthworms for bait. It sent an electric shock through the top layer of soil forcing the worms to surface. It had to be recalled in 1993 after 30 people died using it.
j6M1a TIL an alchemist from the Tang dynasty was searching for an immortality potion and ended up discovering gun powder, which would do the opposite of the sought after potion.
nmVP TIL during Delta Force hostage rescue training, the operators sometimes use live ammunition and the “hostages” are other Delta team members, in order to build trust and confidence among the team.
nWmAB TIL the Cadillac Automobile Company was founded by Henry Ford
OgJR TIL prohibition era grape juice mix came with a warning: “After dissolving the brick in a gallon of water, do not place the liquid in a jug away in the cupboard for twenty days, because then it would turn into wine”