HistoryPorn

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Relive the Past in Jaw-Dropping Detail!

HistoryPorn is for photographs (or, if it can be found, film) of the past, recent or distant! Give us a little snapshot of history!

Rules

Be respectful and inclusive.
No harassment, hate speech, or trolling.
Engage in constructive discussions.
Share relevant content.
Follow guidelines and moderators' instructions.
Use appropriate language and tone.
Report violations.
Foster a continuous learning environment.
No genocide or atrocity denialism.

Pictures of old artifacts and museum pieces should go to History Artifacts

Illustrations and paintings should go to History Drawings

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founded 2 years ago

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Aftermath of a B-25 Bomber flying into the Empire State Building, 1945 (i.redd.it)

submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 2 months ago

I guess it's because of the huge difference in weight that we see such a difference in kinetic energy from pellet guns, even though velocity has an exponential impact on the energy. A standard pellet weighs under 14 grains, and a .22 LR bullet weighs 40 grains. Thanks for sharing the formula though. I didn't realize how huge of a contribution velocity makes for kinetic energy, and I'll definitely look for a faster rifle whenever I upgrade my air rifle.