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submitted 1 week ago by [email protected] to c/[email protected]
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[-] [email protected] 2 points 1 week ago

You've described the reasons why aliens that see in the radio spectrum would never evolve in the first place. Aliens from a particularly cool star might have their vision attuned to infrared, but no place that's warm enough to have liquid water would be cold enough to make radio waves more useful than infrared.

[-] [email protected] 1 points 1 week ago* (last edited 1 week ago)

Yeah and even functional infrared eyes need to be at least twice the size of ours if not over ten times for more far thermal ranges. Anime eyes. The classic 20/20 D&D infravision would require eyes the size of basketballs, lol. Dark elves would put the innsmouth look to shame.

[-] [email protected] 1 points 2 days ago* (last edited 2 days ago)

Larger than they would be for visible light, yes, but not necessarily larger than human eyes. Birds, for instance, can have amazing vision with much smaller eyes.

this post was submitted on 08 Jun 2025
235 points (96.4% liked)

Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted clever little truths, hidden in daily life.

Here are some examples to inspire your own showerthoughts:

Rules

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    • If your topic is in a grey area, please phrase it to emphasize the fascinating aspects, not the dramatic aspects. You can do this by avoiding overly politicized terms such as "capitalism" and "communism". If you must make comparisons, you can say something is different without saying something is better/worse.
    • A good place for politics is c/politicaldiscussion
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