Title text:
Sharks can occasionally travel short distances through air when pursuing prey, but their attenuation coefficient is pretty high.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3158/
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Am I wierd for wanting a poster of this?
Not weird at all! It would be a good poster!
Heat ç sound are the hardest to block
Armor would block radio waves?
Yes, a complete set of metal armor would work as Faraday cage
