OUCH!
≈230-ish joules is basically the energy of a .32 ACP bullet btw (some loadings of it anyway, a single cartridge can vary a lot in its different variants ). the ≈190-ish joules on the lighter stone is comparable to some .22LR loads
also, from 9:50
the visor was 8mm polycarbonate, and that smashed... now, polycarbonate is, basically, is often used in place of bulletproof glass, it's used for riot shields...
This is the thing I never got about the David and Goliath story. You don't actually need god to kill a guy with a sling, that's what slings are for. "I caved this dudes skull in with a rock and he died. God did it!"
reminds me of that excerpt in 1491 (i think?) where they describe that incan slingers were able to puncture spanish plate armor with rocks and bits of string. accuracy seems to be the limiting factor of these tools
I actually took up practicing with a sling a little over a year ago. I’m not good by any stretch of the word, but when I do it right I’m blown away with how much power I can put into a racquet ball. Plus the crack of a good throw is very satisfying.
I found a YouTube link in your post. Here are links to the same video on alternative frontends that protect your privacy:
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