Destin from Smarter Every Day captured high-speed images of both a revolver and an automatic pistol discharging underwater; the water perfectly captures and renders visible the gas forces at work in the system (and makes for a beautiful picture).
I performed an experiment to see what the differences were between semi-automatic pistols and revolvers. The advantage of shooting under water is that you can see the boundary of the gas flow fields almost perfectly.
Instead of saving for my kids' college, I make videos using the money I would have saved.
Carrying this EDC card is like slinging around a handheld toolbox wherever you go. Its minimal design is small enough to fit in your wallet’s billfold, and it’s TSA-compliant so you’ll never leave it behind. It’s got hex wrenches, metric and imperial rulers, flathead and Phillip’s screwdrivers, and a bottle opener so that you’re ready […]
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