While these sorts of muon detectors are expensive, it is possible to create your own muon detector at home, at incredibly cheap costs. So how do you make one?

Like other metal detectors, this one uses two coils of wire with an oscillator circuit and some transistors. The unique part of this build, though, is how the detector alerts the user to a piece ...

We also stayed away from brands lacking an extensive history of making metal detectors—and predictably, two of the four that showed up on Amazon’s most-popular list in 2022 had vanished by 2024.