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 article appears in the May 2022 print issue as “A DIY Magnetometer.”. The third sensor would thus track the total-field value. x and y outputs, leaving z to show the total field.
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