this post was submitted on 22 Apr 2026
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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:

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Touch is actually the least ~~obstrusive~~ intrusive sense (scribe.disroot.org)
submitted 1 day ago* (last edited 23 hours ago) by SuperPengato@scribe.disroot.org to c/showerthoughts@lemmy.world
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When you smell something, that thing is actually inside you. You can say you smell a flower, but what you're really smelling is some volatile molecules from the flower, and when you smell them they're already inside your nose.

Likewise, when you hear, the sound waves must have already entered your ear.

Even when you see, what you really perceive is light hitting your retina, which is inside your eye.

But when you touch something, that thing is still outside of you. Technically, can also be said of taste if you lick something, but then there's a strong likelyhood of some molecules of the thing entering your mouth as a result.

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[–] CannonFodder@lemmy.world 9 points 23 hours ago (1 children)

Hmmm no. Sound is pressure waves, not actual matter transference. Light, is sort of the same (ok, that's a bit more complicated, but if we're going to get into the quantum mechanics of it, touch is just based on waves of probability too).
Conversely when you touch, there are lots of molecules that rub off and transfer. Some of those will embed into your skin.

[–] SuperPengato@scribe.disroot.org 2 points 23 hours ago

True, but the pressure wave is what is being perceived when hearing, light is what is being perceived when seeing, I never said what was being perceived had to be matter. In the case of touch, some molecules may enter the skin, but that is not the cause of the sensation. Even if you imagine an perfectly hard, smooth and clean surface that sheds no molecule, you should still be able to feel of you touch it.

However, I thought about it after making this post, but there also is a small amount of kinetic energy entering you when you touch something, and that may be what triggers your nerve... So I guess even in the case of touch, it remains true that you can only perceive something that's inside of you.