this post was submitted on 25 Jun 2025
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xkcd

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xkcd #3106: Farads (imgs.xkcd.com)
submitted 3 days ago* (last edited 2 days ago) by xkcdbot@lemmy.world to c/xkcd@lemmy.world
 

xkcd #3106: Farads

Title text:

'This HAZMAT container contains radioactive material with activity of one becquerel.' 'So, like, a single banana slice?'

Transcript:

[Cueball holds a stick while talking with Megan and White Hat.]
Cueball: This stick is one meter long.
Megan: Cool.
White Hat: That's a nice stick.

[Cueball holds a smallish rock.]
Cueball: This rock weighs one pound.
Megan: I'd believe it.
White Hat: Looks like a normal rock.

[Cueball holds a small battery.]
Cueball: This battery is one volt.
Megan: Seems fine.
White Hat: Might need a recharge.

[Cueball holds a capacitor while Megan and White Hat panic.]
Cueball: This capacitor is one farad.
Megan: Aaaaa! Be careful!!
White Hat: Put it down!!

Source: https://xkcd.com/3106/

explainxkcd for #3106

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[โ€“] kaidezee@lemmy.ml 4 points 2 days ago* (last edited 2 days ago) (1 children)

Actually, they act like a short circuit to high-frequency AC, so it is more like "blow up" (in general case).

[โ€“] Saleh@feddit.org 3 points 2 days ago

Fun thing. Cheap aluminium capacitors do blow up, when you plug them in the wrong way.

https://www.youtube.com/shorts/53kl5kNJ728