the.com/electromagnet
Magnetism with an off switch, powered by the simple bravado of moving electrons.
means A magnet created by running electric current through a coiled wire, often around an iron core, so it works only while powered.
from Coined in the 1820s after Hans Christian Orsted noticed a compass twitch near a live wire — proof electricity and magnetism were secretly the same force flirting.
Junkyard muscleLifts cars, then drops them on command.
Stronger togetherMore coils and current mean fiercer pull.
MRI insideSuperconducting electromagnets map your insides without scalpels.