this post was submitted on 23 Oct 2025

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xkcd #3158: Shielding Chart (lemmy.nz)

submitted 10 months ago by xkcdbot@lemmy.world to c/xkcd@lemmy.world

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xkcd #3158: Shielding Chart

Title text:

Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.

Transcript:

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Source: https://xkcd.com/3158/

explainxkcd for #3158

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[–] Devjavu@lemmy.dbzer0.com 1 points 9 months ago

Yeah, I did read some time ago that the max hole size was like half the wavelength and there existed also a penetration depth. I guess this makes sense with light making it through fences.