An insect-scale robot that jumps using only light has completed 188 continuous leaps without ...

While it's no replacement for either computer, the new device is a powerful alternative for addressing some very practical challenges. Reading time 3 minutes In a world of ever-improving computing ...

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them ...

Matter has finally brought the price of HomeKit lights down. This RGBCW smart bulb offers 16 million colors and rock-solid ...

Stuck Behind a Screen? This Tiny Device Wants to Break Through Your Afternoon Slump ...

A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many colors. The trick combines two geometric phase effects so each spin channel ...

If you wear prescription glasses, you've likely been asked whether you'd like your lenses to have a blue light coating before purchase. Or, if you spend your days working on the computer or staring at ...

Before the advent of computers, traffic lights were a marvel of mechanical and electromechanical engineering, utilizing timers, relays, and human intervention to manage bustling city intersections.

A team of researchers at Queen's University has developed a powerful new kind of computing machine that uses light to take on complex problems such as protein folding (for drug discovery) and number ...