The essay was on arc-welding. The plates were 1 foot by 2 foot and written with a welding torch.

  • dogslayeggs@lemmy.world
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    8 days ago

    From the photo it looks to me like there is some material being pushed out the front from the back, so unless you know of a way that a high speed bullet moving toward a metal sheet would pull material backward as it moves forward then it would be hard for it be shot from the front.