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[-] niktemadur@lemmy.world 70 points 3 weeks ago

Rediscovering well-established shit from first principles and a science-illiterate, history-ignorant stance.
I'm betting the raw milk thing re-entered society via the crystals and essential oils crowd?

The same type of people that said back in the 70s - or maybe even before - that television screens emitted cancer-causing radiation.
In the 90s they were saying that about the magnetic fields in digital alarm clock radios, too. Completely oblivious to the night lamps by the bed, those also conduct electricity. But noooo... it was the tiny LED screen that suddenly made the difference... I guess?
Also completely oblivious to the Earth's titanic magnetic field dwarfing and drowning whatever they had with their little gizmos in their normal-sized bedrooms in the 90s.

[-] smeenz@lemmy.nz 6 points 3 weeks ago* (last edited 3 weeks ago)

The earth's magnetic field is much weaker than a simple coil in a transformer, as can be easily demonstrated by holding a compass near said device and watching the needle align with that instead of the earth.

[-] Holzbesteck@feddit.org 1 points 3 weeks ago

The earths magnetic field influences the needle when I am standing 400+ km away from magnetic north. To have the coil of a transformer influence my needIe, I have to be relatively close to it. So I feel like your statement is incorrect.

I'll happily be corrected if I overlooked or misunderstood something.

[-] smeenz@lemmy.nz 6 points 3 weeks ago

The field isn't located at the north or south pole - you're not 400km away from it, you're immersed inside the field, and your compass is showing the local alignment of that field.

Just about anything with an EM field of its own will be stronger than that.

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this post was submitted on 01 Dec 2024
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