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November 28, 2008
Glass drops & the pain index
The Schmidt Sting Pain Index, from mild irritation to "blinding, brilliant pain". (Like a Sonic Palpometer for insects)
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The bathing machine was a device, popular in the 19th century, to allow people to wade in the ocean at beaches without violating Victorian notions of modesty. Bathing machines were roofed and walled wooden carts rolled into the sea. Some had solid wooden walls; others had canvas walls over a wooden frame. (From Pruned)
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Prince Rupert's Drop are a glass curiosity created by dripping hot molten glass into cold water. The glass cools into a tadpole-shaped droplet with a long, thin, tail. The water rapidly cools the molten glass on the outside of the drop, while the inner portion of the drop remains significantly hotter. When the glass on the inside eventually cools, it contracts inside the already-solid outer part
The modern candle wicks as marvel of engineering (YT)
(Pix above from Michellious)
A Huge Depository of Unusual Inventions & Discoveries Here
November 28, 2008 in Science & Inventions | Permalink
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