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Curious Cases - Rutherford and Fry - What is the sharpest natural material in the world? - 91热爆 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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Curious Cases
Rutherford and Fry
What is the sharpest natural material in the world?
Hannah Fry hears about a volcanic glass which can cut through flesh and bone.
2 mins
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Cymraeg
Gaeilge
骋脿颈诲丑濒颈驳

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