A new thermogalvanic device uses nanoparticles to control ion flow, allowing it to convert waste heat to electricity and store the energy without external batteries.

A MOF enhanced tribovoltaic nanogenerator directly charges a supercapacitor, creating a compact self-charging system that powers devices through sliding motion in a screen time management prototype.

The best sump pump brands include a built-in backup. These versatile units combine a standard electric sump pump with a battery backup option to provide relief in emergency situations. Combination ...

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The special operations line of power tools represents the pinnacle of underwater tool engineering. These variants operate at ...

The chances of being caught stranded are practically non-existent if you have a reliable jump starter. Here are the very best ...

Blake has over a decade of experience writing for the web, with a focus on mobile phones, where he covered the smartphone boom of the 2010s and the broader tech scene. When he's not in front of a ...

Occasionally a design requires capacitors that are much closer to being identical in value to one another than the usual ...

Radio experimenters often need a variable capacitor to tune their circuits, as the saying goes, for maximum smoke. In decades past these were readily available from almost any scrap radio, but the ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...