this post was submitted on 22 Nov 2025
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Science Memes

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top 23 comments
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[–] chiliedogg@lemmy.world 65 points 5 months ago (1 children)
[–] Agent641@lemmy.world 15 points 5 months ago* (last edited 5 months ago) (1 children)

I don't believe in dowsing, I have seen it done exactly once, and then a farm dam was dug with an underground spring directly in the centre of it, so my observations show it to have a 100% success rate from a sample size of 1, which is a bit awkward.

[–] olafurp@lemmy.world 10 points 5 months ago (1 children)

Wikipedia agrees with you. Commonly viewed as a psuodoscience. The equipment is very good at amplifying subtle hand movements.

https://en.wikipedia.org/wiki/Dowsing?wprov=sfla1

[–] Tlaloc_Temporal@lemmy.ca 5 points 5 months ago (1 children)

I can see a little grain of truth in finding depressions and soft ground as the dowser shifts their body to stand level, which may indicate geological features associated with ground water.

Humans also have a really good sense of smell for petrichor, which might also be related to ground water, with dowsing just being useful to focus on suble things like smell.

Anyone who thinks dowsing can detect water directly is clueless or lying though, and dowsing has absolutely been used as a grift before.

[–] Swedneck@discuss.tchncs.de 2 points 5 months ago

i have a much more expedient method called "stick a very long hygrometer into the dirt every hundred meters in a grid, and move towards increasing moisture"

[–] FinjaminPoach@lemmy.world 24 points 5 months ago* (last edited 5 months ago) (3 children)

Uhhh is xkcd comics a geotechnical engineer??? Or a geologist?? This feels like an illegal loredrop

EDIT: fixed xbcd to xkcd

[–] floquant@lemmy.dbzer0.com 8 points 5 months ago

He's a professional geek

[–] Tlaloc_Temporal@lemmy.ca 2 points 5 months ago

Randall does have a lot of geology humor specifically. I wouldn't be surprised if he knows a few geologist.

[–] captain_aggravated@sh.itjust.works 16 points 5 months ago

The /// parts are carrying a lot of weight in this one.

[–] kilgore_trout@feddit.it 15 points 5 months ago (1 children)

Please link to the source.

[–] unlawfulbooger@lemmy.blahaj.zone 21 points 5 months ago

Apparently it’s xkcd 3171

[–] Track_Shovel@slrpnk.net 13 points 5 months ago (1 children)

I'm irrationality angry about the term 'bottom soil' and that it's below granite

[–] edgemaster72@lemmy.world 5 points 5 months ago (1 children)

Bottom soil: Is in the middle of the soils

Top soil #2: on the bottom

[–] sbeak@sopuli.xyz 4 points 5 months ago

The earth is round, so bottom is actually top. Middle is deep inside the earth ("bottom")

[–] Randelung@lemmy.world 12 points 5 months ago (1 children)

*Diorite*: Wait, is that a Mi

*Netherrack*: Ah.

[–] Live_your_lives@lemmy.world 7 points 5 months ago* (last edited 5 months ago)

In case you didn't know, diorite is a real type rock as well that is similar to granite.

[–] VM_Abrantes@lemmy.world 8 points 5 months ago (1 children)

While I appreciate the Nutty Putty Cave Incident callback, at what layer is the shark eating fiber optic cable?

[–] Soup@lemmy.world 3 points 5 months ago

The one where the first several hundred metres is just water.

[–] Jax@sh.itjust.works 5 points 5 months ago* (last edited 5 months ago)

Isn't water divining pseudoscience? I get that isn't the point of the post, but I always thought it was bullshit.

Edit: should have responded to the comment about water divining, whoops.

[–] Fmstrat@lemmy.world 5 points 5 months ago (1 children)
[–] fossilesque@mander.xyz 3 points 5 months ago

It's not 9/11!

[–] Catfish@lemmygrad.ml 2 points 5 months ago

I read Andalite and it activated a part of my brain that hasn't seen the light of day since I was 13