Search for Buried Treasure With This DIY Magnetometer
Cars That Think
APRIL 26, 2022
In the 1968 movie 2001: A Space Odyssey , an oddness in the moon’s magnetic field leads scientists to an alien monolith buried under Tycho crater. This magnetic-field sensor is surprisingly simple, so I headed to the garage to see whether I could build this type of magnetometer just with stuff I had on hand.
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