Comments by "Tiago D\x27Agostini" (@tiagodagostini) on "Can a Solid Glass Ball Stop a 50cal???" video.

  1. The physics of that is that the sphere returns energy to the bullet faster tan the bullet can handle, so the bullet shatters faster than the sphere (on the 9mm vs large sphere at least). That is the same concept of ceramic armor against Anti tank weapons. The crack at the backside is where the energy eventually arrives and concentrate.
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