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May 17, 2018 04:52 pm PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/dFFJDzOLTc8/making-a-metal-teaspoon-that-m.html
Making a metal teaspoon that melts in a cup of tea
In this episode of Periodic Videos, professor Sir Martyn Poliakoff from the School of Chemistry at The University of Nottingham describes the process of making a spoon from an alloy that melts in a cup of hot tea. The alloy is called Field's Alloy and it has a melting temperature of 62 C (144 F). It was named after its inventor, Simon Quellen Field of SciToys and is made from bismuth, lead, and tin. Here's Simon's article about the alloy.
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/dFFJDzOLTc8/making-a-metal-teaspoon-that-m.html
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