this post was submitted on 16 May 2025
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[–] [email protected] 6 points 2 weeks ago (1 children)
[–] [email protected] 1 points 2 weeks ago

I think the arc looks a little bit like two people.

[–] [email protected] 42 points 2 weeks ago (1 children)

this and potatoes are nightmare fuel in their own unique ways

[–] [email protected] 19 points 2 weeks ago (3 children)
[–] [email protected] 14 points 2 weeks ago (1 children)

Also, a prolonged sun exposure makes them poisonous with arsenic-like chemicals unless you hide them indoors or cook them. You can tell by seeing them turning green, like poisonous potatoes in Minecraft. It's not THAT lethal, but can teach a human or an animal a lesson that even if you see a potato on the surface, don't feel lucky about it, don't dig, it'd fuck you up.

[–] [email protected] 7 points 2 weeks ago (1 children)

As someone who experienced solanine poisoning from a bad french fry (yes, really) I wouldn't wish it on anyone. A single fry was enough for about 14 hours of -severe- food poisoning symptoms on about a five minute rotation between trips to the bathroom plus neurological issues that lasted me a couple days. It was horrible.

[–] [email protected] 3 points 2 weeks ago

Holy F. Didn't think it may be so severe. Glad you are okay now.

[–] [email protected] 26 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

HAVE YOU SEEN THE HORRIFIC SHIT POTATOES DO WHEN THEY LOOK FOR NUTRIENTS

[–] [email protected] 12 points 2 weeks ago (1 children)

Noooo what the fuuuuuckkk whyyyy

[–] [email protected] 19 points 2 weeks ago

'tato hungy

[–] [email protected] 72 points 2 weeks ago (3 children)
[–] [email protected] 18 points 2 weeks ago

If we didn't eat them they'd eat us.

[–] [email protected] 10 points 2 weeks ago
[–] [email protected] 7 points 2 weeks ago

Potatoes are so romantic

[–] [email protected] 21 points 2 weeks ago

Anything's a wire if you piss off the pixies badly enough.

[–] [email protected] 38 points 2 weeks ago (1 children)

High frequency signal: where we are going we don't need wires!

[–] [email protected] 13 points 2 weeks ago

HF signal when piece of paper or thin drywall: I don’t feel so good boss

[–] [email protected] 56 points 2 weeks ago

Meanwhile in semiconductors: 5V is high voltage

[–] [email protected] 8 points 2 weeks ago

Well, there's no "insulator". There are only semiconductors.

[–] [email protected] 25 points 2 weeks ago (1 children)

anyone else kinda see a wolf sorta screaming at the sky with the right hand held up with a fist

[–] [email protected] 14 points 2 weeks ago

Now I do, but why does it have so much hair?

[–] [email protected] 112 points 2 weeks ago* (last edited 2 weeks ago) (3 children)

the path of least resistance in this case is where the air ionized, when current starts flowing it gets hot, expands and raises, making an arc. So we could blame the weird shape to thermodynamic properties over electrical ones

[–] [email protected] 18 points 2 weeks ago

I'll make my own path! With blackjack!

[–] [email protected] 14 points 2 weeks ago

Exactly what happened here! In the video the arch starts in a much more straight line, and rises as you describe as the air heats up.

[–] [email protected] 52 points 2 weeks ago (3 children)

And that arc flash’s temperature is several times hotter than the surface of the sun. It’s hot enough to instantly vaporize any surrounding metal, meaning that if you manage to survive being near an arc flash, there’s a chance that you’ll end up with tiny metal shards in your lungs, when they cool down after you breathe them in. Arc flashes are scary stuff.

[–] [email protected] 4 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Holy crap that was a fascinating rabbit hole, thanks folks!

So as the electric field intensifies the ions do their apartheid thing and become more conductive, ultimately leading to the arc?

This will help my nightmares, I'm sure https://electricityforum.com/iep/arc-flash/arc-flash-temperature

[–] [email protected] 9 points 2 weeks ago

do their apartheid thing . . .

Yeah, this should be in the Gen Chem 101 teaching manual. Lmao.

[–] [email protected] 41 points 2 weeks ago (3 children)

Arc flash hazard training messed me up. They showed a video where a guy is working on some switchgear when suddenly the frame is all white and then the guy is just GONE, but the floor and everything around where he was is a different, very red, color. That "if" regarding survival is doing some heavy lifting.

[–] [email protected] 6 points 2 weeks ago

Grandpa worked in a power station back in the days of yore.

Left the generator they were working on as he needed a tool. While he was gone an arc flash deleted his co-worker.

[–] [email protected] 11 points 2 weeks ago

IBEW local 26 here. They showed me that video too. That shook me for sure.

It was the first class experience I've had in the trade. That video was the last thing he showed us at the end of class.

Last thing he said was "don't work hot" as we're all packing up.

[–] [email protected] 30 points 2 weeks ago

Oh, absolutely. As my instructor put it, if you cause an arc flash and are killed instantly, you got off lucky. Because if you survive, your body will be severely damaged for the rest of your life.

Those trainings put the fear into you for good reason. I don’t fuck with high voltage at all, shit is way too scary for me.

[–] [email protected] 9 points 2 weeks ago

Thanks, I hate it

[–] [email protected] 14 points 2 weeks ago

::stares at image for five minutes just to make sure I'm not missing a metal-band logo reference in there somewhere::

[–] [email protected] 3 points 2 weeks ago

I refuse to believe this isn't an AT-ST.