2 Ergebnisse für: 1.644.054
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Amazing piece of metal (speculum) - YouTube
https://www.youtube.com/watch?v=4ESW_NTIhBM
This small disc of metal - made from speculum - is an important part of history. The metal is an alloy of tin and copper with some arsenic thrown in. Discuss...
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Barking Dog (slow motion) - Periodic Table of Videos - YouTube
https://www.youtube.com/watch?v=c3fJRRCAIdk
Barking Dog reaction at 3000 frames per second. More about filming & editing this video: http://youtu.be/vfKUG11FKGE The Barking Dog is combustion of nirous ...