this post was submitted on 13 Jun 2026
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Science Memes

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[–] Someonelol@lemmy.dbzer0.com 11 points 20 hours ago (4 children)

I guess those spinning magnetic pills one puts in beakers over a magnetic hot plate in chemistry labs are all an empirical hoax then.

[–] Alvaro@lemmy.blahaj.zone 4 points 7 hours ago

They are protected by the PTFE cover, so the magnet is not in contact with water. Basic chemistry...

[–] nova_ad_vitum@lemmy.ca 2 points 9 hours ago

I always wanted kitchen cookware with a stirring pill. But it would require using glass or ceramic cookware on the stove. Which can be done to some extent but still feels sketchier than metal.

[–] fossilesque@mander.xyz 6 points 17 hours ago

They're my fave bit of lab equipment. That and the Vortex because I must touch it.

[–] SoleInvictus@lemmy.blahaj.zone 9 points 19 hours ago (1 children)

Those are stir bars.

That they're magnetic is propaganda to push magnetic field bunk to sell more so-called "magnets". Stir bars are moved by phlogiston, which is why the liquid medium is often heated in tandem.

[–] Safeguard@beehaw.org 2 points 13 hours ago (2 children)

Please tell me you forgot the /s ....

[–] SoleInvictus@lemmy.blahaj.zone 1 points 9 hours ago

Haha, 100%. I'm a scientist, I haven't believed in phlogiston in years!

[–] theQuickBrownFox@lemmy.today 1 points 13 hours ago

so you can tell!