A plastic 4-pin base with tipped S-shaped envelope. Donor's card reads: "Full wave rectifier made by the Eveready Raytheon Company about 1929. A gaseous type rectifier without filament or heater, an ...

A plastic 4-pin base with tipless domed envelope. Stamped on envelope: "83". Donor’s card reads: “Full-wave mercury vapor rectifier made by the Radio Corporation of America about 1935 or before.

This video explains the function of diodes and how they are used to control the flow of electrical current in electronic ...

In the wave of modern technology, high-power wireless charging technology is reshaping the paradigm of energy transmission. This cutting-edge field, which integrates electromagnetism and power ...

It started with a high school marching band and ended with an 88-year-old surf legend handing out one of the marquee awards of the night. A lot happened in between acts at the 2025 Big Wave Challenge, ...

Investors bid up D-Wave Quantum stock in conjunction with the Federal Reserve's move to cut interest rates this week. D-Wave stock also got a big boost from a competitor's new contract with the Air ...

The Building Industry Association of Stark & East Central Ohio’s annual Fall Circuit of New Homes begins next week, and will feature nine new homes. The event will show off a great variety of new ...

Kiko has dissipated in the central Pacific Ocean but there is a new disturbance forecasters are keeping tabs on. The National Hurricane Center said in an early morning advisory on Thursday, Sept. 11 ...

The increasing energy consumption of artificial intelligence is driving new research and investment into clean energy sources, particularly tidal energy. Tidal energy offers a constant and reliable ...

Kentucky Attorney General Russell Coleman announced a lawsuit against the gaming and social media platform Roblox, calling it the “website of choice for child predators.” LMPD is looking for more ...

D-Wave Quantum Inc. (NYSE:QBTS) saw a 2.53% increase in after-hours trading, reaching $23.11, building on Wednesday’s 18.76% rally as investors reacted positively to the Federal Reserve’s monetary ...