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Most innovative military gadgets you've never heard of

Gadgetry and clever engineering quietly transform how military forces operate. These gadgets deliver subtlety, enable ...
IEEE

Optical Liquid-Crystal Magnetic Field Sensor With Temperature Compensation

Abstract: This article presents a reflective Fabry–Perot (FP) dual-parameter sensor utilizing nematic liquid crystal (LC) for high-sensitivity temperature and magnetic field measurement. The FP ...

Black Friday Is Over, But Hundreds of Amazon Deals Are Still Available

Amazon’s Black Friday sale is still live, and we’ve sifted through the bogus discounts to surface truly great deals on ...
IEEE

Fiber-Optic Magnetic Field Sensor Based on Curved Terfenol-D Rod Combined With FBG

Abstract: A kind of magnetic field sensor with enhanced sensitivity was designed by integrating the fiber Bragg gratings (FBGs) with the curved terbium-dysprosium-iron alloy (Terfenol-D) rods. Seven ...

The Best Sub-$100 Black Friday Deals Still Live, Starting at Just $7

You don’t have to spend big to find truly great Black Friday deals. Here are the best Wirecutter-approved picks under $100.