Explosive glass drops demonstrate why your car windshield is so strong and safe
By Theodore GrayPosted 06.19.2008 at 3:31 pm 6 Comments
Break the tail of a Prince Rupert's glass drop, and the whole thing explodes.
Mike Walker; special thanks to Glass Lake Studio
If you want a scientific display of the dangers of pent-up stress, Prince Rupert's drops are it. After the trauma of being dropped molten-hot into a bucket of cold water, these glass balls, named for a 17th-century amateur scientist, turn into bundles of high tension. They're impervious to even the strongest blows, until you find their hot button: Flick the tail, and they explode.