› added 6 years ago

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Let’s say you’re doing 100 mph in a car and suddenly a downed tree, stopped the car, or person appears in the road up ahead and you need to slam on the brakes. How much more dangerous is that situation than when you’re doing 70 mph? Your intuition might tell you that 100 mph is only 30% more than 70 mph. But as this video shows, the important factor in stopping a car (or what happens to the car when it collides with something else) does not speed but energy, which increases at the square of speed. In other words, going from 70 mph to 100 mph more than doubles your energy…and going from 55 to 100 more than triples it.

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via bonus.kottke.org

Bg0VL TIL William Shakespeare, often regarded as England's greatest playwright, is believed to have been born and died on St. George's Day, April 23rd. However, the exact dates of his birth and death are not conclusively known.
WOmX TIL that before she became the first animal sent into orbit Laika (a stray dog from the streets of Moscow) was taken home by a Russian scientist to play with his children. He said, “I wanted to do something nice for her; she had so little time left to live”.
ADvyx TIL that Russia is the only country where McDonalds have a Mcshrimp on the Menu.
nWmMd TIL that bookworms are an actual thing, the term refers to a variety of insects (usually larval) that can eat paper, leather, and glue in books.
BrXDK TIL tha A German citizen trained his dog (named Adolf) to raise his right paw when he was given the command “Heil Hitler”; the man was later sentenced to five months in prison for violating Germany’s ban on the Nazi salute.