When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.

Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant ...

March 12, 2026 • Utilities are convincing lawmakers around the U.S. to delay bills that would allow people to buy solar panels, plug them into an outlet and begin generating electricity.