this post was submitted on 19 Jul 2025
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Science Memes

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[–] Zacryon@feddit.org 58 points 2 days ago (1 children)
[–] xylol@leminal.space 22 points 2 days ago (1 children)

Maybe they've known about them but haven't been able to capture them until now

[–] Zacryon@feddit.org 8 points 2 days ago

They've observed this in a lab.

[–] Evil_Shrubbery@lemmy.zip 25 points 2 days ago* (last edited 1 day ago) (1 children)

Is this study (afaik published in 2018, but the paper is different to the 2021 one?) distinct from the others? I'm guessing they detailed the "electric" part better?

Edit:
Ohhh, it was about electric fields specifically. The 2018 paper only had airflow, they ar added/experimented with electric fields in the next study (it wasn't new, just nobody tested it):

However, a recent experiment showed that exposure to an electric field alone can induce spiders’ pre-ballooning behaviours (tiptoe and dropping/dangling) and even pulls them upwards in the air. The controversy between explanations of ballooning by aerodynamic flow or the earth’s electric field has long existed.

More from wiki/Ballooning_(spider):

It is observed in many species of spiders, such as Erigone atra, Cyclosa turbinata, as well as in spider mites (Tetranychidae) and in 31 species of lepidoptera, distributed in 8 suborders. Bell and his colleagues put forward the hypothesis that ballooning first appeared in the Cretaceous. A 5-year-long research study in the 1920s–1930s revealed that 1 in every 17 invertebrates caught mid-air is a spider. Out of 28,739 specimens, 1,401 turned out to be spiders.

Although this phenomenon has been known since the time of Aristotle, the first precise observations were published by the arachnologist John Blackwall in 1827. Several studies have since made it possible to analyze this behavior. One of the most important and extensive studies exploring ballooning was funded by U.S. Department of Agriculture and performed between 1926 and 1931 by a group of scientists. The findings were published in 1939 in a 155-page bulletin compiled by P. A. Glick.

It seems more researchers were electrifying spiders (links to older studies):

A 2018 study concluded that electric fields provide enough force to lift spiders in the air, and possibly elicit ballooning behavior.[1], [2]

The Earth's static electric field may also provide lift in windless conditions.[9], [10] Ballooning behavior may be triggered by favorable electric fields.[11], [12]

Wiki also has a pic from Cho's paper (2018):

TIL:

Some mites and some caterpillars also use silk to disperse through the air.

... also I'm 100% sure the spiders let out a tiny 'wiiiiii' when they get airborne ...

[–] blackbrook@mander.xyz 7 points 1 day ago

But how common are windless conditions, really? It seems incredibly rare that there would be so little air movement that the effect of it wouldn't far overwhelm the electrostatic effect. I'm no meteorologist, though.

[–] shalafi@lemmy.world 6 points 1 day ago (1 children)

Pictured is a banana spider, shitloads of them around here. Those are not flying. Looks like this one is making the zig-zag thing some orb weavers make.

Cool fact! They're also called Golden Orb Weavers because their webs shine gold when the sun hits right.

[–] remon@ani.social 7 points 1 day ago* (last edited 1 day ago)

Bananaspider is quite ambiguous and refers to multiple spiders.

Golden Orb Weaver is the common name for Nephila (which this one is not), though often wrongly applied to Argiope.

This one is Argiope cf. aurantia, which has a bunch of common names including "golden garden spider", but I prefer "black and yellow garden spider".

because their webs shine gold when the sun hits right.

That is Nephila, not Argiope. Argiope are the ones with the zig-zag pattern, though.

[–] nightm4re@feddit.org 46 points 2 days ago (1 children)
[–] PartyAt15thAndSummit@lemmy.zip 2 points 1 day ago* (last edited 1 day ago)

Crane flies are a big deal where I live, and especially the ones with reeeeally long legs - longer than anything pictured in the Wikipedia article - just love to come into people's homes, especially in September.
EDIT: Why is this relevant? When I was a little tyke, I'd constantly mistake them for airborne spiders. Sometimes, they form frigging swarms anywhere where there's water.

[–] Vupware@lemmy.zip 26 points 2 days ago (3 children)

Hasn’t this been known for some time? Perhaps I’m confusing these spiders with ones that simply form wind sails.

[–] MeaanBeaan@lemmy.world 18 points 2 days ago (1 children)

Didn't the baby spiders fly away at the end of Charlottes Web?

[–] Stalinwolf@lemmy.ca 11 points 2 days ago

Yeah, it was chaos on the set just off-camera.

[–] Confused_Emus@lemmy.dbzer0.com 10 points 2 days ago

The most recent article in the post is about 4 years old. I definitely recall learning this a while ago.

[–] buddascrayon@lemmy.world 1 points 2 days ago

If you read any of the article OP provided, you'll see that the common belief that they were simply using the wind was false and they actually use electric currents in the air.

[–] chemical_cutthroat@lemmy.world 33 points 2 days ago (2 children)

Adrian Tchaikovsky warned us of this.

[–] Fredselfish@lemmy.world 10 points 2 days ago (1 children)

Actually those spiders were pretty damn cool! And it's an excellent book series.

Oh, for sure. I hate spiders, and I was loathe to read it, but damned if I didn't enjoy all of them.

[–] Cavemanfreak@programming.dev 6 points 2 days ago (1 children)

For a Sci-Fi newbie who's thinking of trying out Tchaikovsky, any advice on where to start?

[–] chemical_cutthroat@lemmy.world 8 points 2 days ago (2 children)

Start off with the Children of Time series, there's no reason not to. Well written, great story with memorable characters, and a fantastic hard sci-fi twist on what intelligent life really is, and how we think of ourselves and others.

[–] Cavemanfreak@programming.dev 1 points 1 day ago

Thanks! I'll go for that as soon as I'm finished with the Three Body Problem series.

[–] BennyInc@feddit.org 1 points 1 day ago

Third part is very disorienting however — it took me almost till the end to understand what was going on.

[–] Iamsqueegee@sh.itjust.works 22 points 2 days ago (1 children)
[–] GandalftheBlack@feddit.org 18 points 2 days ago (1 children)

This is how our lizard overlords felt when humans first achieved flight

[–] Nikls94@lemmy.world 5 points 2 days ago

Found the crab person

[–] Deme@sopuli.xyz 15 points 2 days ago

I didn't know that spiders could get any cooler

[–] Bentdreadnot@lemmy.world 9 points 2 days ago (3 children)

How do the electric fields holds up the scientists?

[–] GreenCrunch@lemmy.today 2 points 2 days ago* (last edited 2 days ago)

Uhhh, magnets, I assume. I've gone through the physics courses, scrapped through intro to electrical engineering, and I still don't get magnets. So we'll just go with those.

[–] Evil_Shrubbery@lemmy.zip 2 points 2 days ago* (last edited 12 hours ago)

They were bitten by an ~~radioactive~~ electromagnetic spider!

[–] pruwybn@discuss.tchncs.de 2 points 2 days ago

One morning I shot an elephant in my pajamas.

[–] Spacehooks@reddthat.com 3 points 1 day ago* (last edited 1 day ago) (1 children)

Im imagining Eureka Seven but with spiders riding surfboards instead of mech its spider.

[–] muhyb@programming.dev 4 points 1 day ago

Arachnophobia Seven

[–] Maeve@kbin.earth 3 points 1 day ago (1 children)

I recently heard a lecture that claimed that "halos” or "auras" some people see are humans' magnetic fields. I'd like to see some research on it.

[–] stringere@sh.itjust.works 4 points 1 day ago

You would probably find kirlian photography an interesting read.

https://en.m.wikipedia.org/wiki/Kirlian_photography

[–] aeronmelon@lemmy.world 6 points 2 days ago
[–] MonkderVierte@lemmy.zip 2 points 1 day ago

Next they figure out that Dandelion chutes actually use charge differences to fly or something.

[–] kamenlady@lemmy.world 6 points 2 days ago

This spider is clearly on a mission, it has an objective and won't let anything get in the way of it.

[–] iAvicenna@lemmy.world 4 points 2 days ago

flying nope