Tiny deviations: the new metal detector looks for minute disturbances in Earth’s magnetic field. (Courtesy: iStock/muffinmaker) A compact, low-cost and low-power metal detector that can identify the ...

Recent studies have shown metallic objects have their own magnetic fingerprints based on size, shape and physical composition. Scientists look to leverage these observations to potentially create a ...

New patents granted to Apple today reveal some of the possible problems its now-fabled AirPower mat might have needed to resolve before its public release, including what Apple calls a “magnetic ...

This canal exploration uses a powerful magnet to recover submerged metal items, offering a glimpse into the forgotten objects and debris hidden below the water’s surface. What if the Seven Wonders had ...