Curious Cases - Rutherford and Fry - What is the sharpest natural material in the world? - Â鶹ԼÅÄ Sounds
Curious Cases - Rutherford and Fry - What is the sharpest natural material in the world? - Â鶹ԼÅÄ Sounds
From: Curious Cases
Rutherford and FryRutherford and Fry
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Hannah Fry hears about a volcanic glass which can cut through flesh and bone.
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