South Africans Mike and Luke Bell built the Peregreen 3 to reclaim the title of fastest quadrotor drone in the world.

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

Drones have become indispensable in modern warfare. That much is now clear. NATO and EU countries are therefore pooling ...

Wallbox and Bidirectional Energy launch a multi-state EV-to-home charger program for 180 homes in California and Connecticut.

Modern smartphones are protected against overcharging, but heat and use habits can still degrade your battery over time.

The build's extreme compactness limits its practical use – without landing gear or shielding, takeoff and recovery require precision and care – but its technical ingenuity ...

Battery-buffered chargers offer fast charging in areas where the grid may not support it, but downsides include waiting for ...

I pretty much always travel with my complete set of Apple gear: my iPhone, Apple Watch, and AirPods -- and that means a lot of cables. The iPhone and AirPods now all use USB-C so ...