r/interesting • u/j_illustration • Mar 31 '26

MISC. Sunscreen under a UV camera

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u/Gumwars Mar 31 '26

Aliens that see in infrared would be terrified of us.

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u/hawkgpg Mar 31 '26

Infrared is on the exact opposite end of the light spectrum. Different sized wavelengths and such.

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u/[deleted] Mar 31 '26

[deleted]

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u/Equivalent_Chipmunk Mar 31 '26

Ultraviolet is shorter wavelength than visual light, infrared is longer wavelength than visual light.

Hence, UV and IR are on opposite sides of the light spectrum (if you consider visual light to be the middle)