Lamps and heaters across the United States have been recalled as fire warnings around lithium-ion batteries have been issued. Despite being used on an everyday basis to power electrical appliances, ...

Here is a simple heater circuit that can be operated from a 12V battery. The first part of the circuit is an astable multivibrator build around the two transistors Q1 and Q2 . The ON time of ...

Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a gas-powered furnace and water heater for a quarter century to stay warm. But ...

With Manitoba in the grips of extreme cold, keeping vehicles running smoothly is a top priority for drivers. Dean Law, owner, operator, and shop foreman at Law’s Automotive in Portage la Prairie, ...