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This glass drop can withstand a speeding bullet, and scientists just figured out why | National Post
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How to Make Prince Rupert's Drops (Glass That Fractures at the Speed of High Explosives) « NightHawkInLight :: WonderHowTo
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17th-century mystery solved: Prince Rupert's drops - School of Industrial Engineering - Purdue University
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Prince Rupert's Drops: An analysis of fragmentation by thermal stresses and quench granulation of glass and bubbly glass | PNAS
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