Cold weather exposes weak batteries fast. Here’s how to spot the warning signs—and replace it before winter leaves you stuck.

To help you choose a detector you can depend on, we recently tested models from a range of brands, including Forensics ...

I used to dismiss thermal cameras as a gimmick - now I rely on one daily as an essential tool in my fix-it kit.

Surge protectors have been documented to start house fires when they wear out. Here's how long they last and why your weather ...

Abstract: Coils excited for high magnetic fields have large discharging time constants owing to high inductance and low resistance for large operating currents. This type of coil requires a ...

Abstract: Parameter variations within the resonant network of wireless power transfer systems can cause drift in the resonant frequency, leading to a detuned system that requires higher power capacity ...