![This Video of Bullets Hitting 'Unbreakable' Prince Rupert's Drops Will Blow Your Mind : ScienceAlert This Video of Bullets Hitting 'Unbreakable' Prince Rupert's Drops Will Blow Your Mind : ScienceAlert](https://www.sciencealert.com/images/2020-04/prince_ruperts_drop_bullet_1024.gif)
This Video of Bullets Hitting 'Unbreakable' Prince Rupert's Drops Will Blow Your Mind : ScienceAlert
University of Wisconsin-Madison - PRINCE RUPERT'S DROPS: shown here, are a curious glass formation popularized in the 1600s. Molten glass is dripped in cold water to rapidly cool and temper the exterior,
![How normal glass can be (nearly) indestructible – The secret of the Prince Rupert's Drop - Journal of Unsolved Questions How normal glass can be (nearly) indestructible – The secret of the Prince Rupert's Drop - Journal of Unsolved Questions](http://junq.info/wp-content/uploads/2017/07/73b5b8b2c18a2fbbfec6233cfa99eaec.png)
How normal glass can be (nearly) indestructible – The secret of the Prince Rupert's Drop - Journal of Unsolved Questions
![Prince Rupert's Drops: An analysis of fragmentation by thermal stresses and quench granulation of glass and bubbly glass | PNAS Prince Rupert's Drops: An analysis of fragmentation by thermal stresses and quench granulation of glass and bubbly glass | PNAS](https://www.pnas.org/cms/asset/cbdbdb1f-fba5-4b73-9103-8548d7ce9148/keyimage.jpg)