The best metal detectors can run anywhere from $100 for an entry-level model to $1,000 or more. And yes, you can be just as successful with an entry-level unit as a high-end model.

He is in charge of developing and carrying out testing procedures for a wide variety of home appliances and smart devices including robot vacuums, smoke/CO detectors and air conditioning units.

[Dzl] and his rather serious looking son are metal detector enthusiasts ... The last part of the build was to find the best coil orientation. They settled on thirty turns around a metal bucket.

A metal detector used to be an entirely analogue instrument, an oscillator whose frequency changed with the inductance of its sense coil when a piece of metal approached. [Łukasz Podkalicki ...

KALAMAZOO, MI -- Kalamazoo Public Schools is considering adding metal detectors to the main entrances of the district’s high ...