AC induction motors are everywhere, from ceiling fans to vehicles. They’re reliable, simple, and rugged — but there are some disadvantages. It’s difficult to control the speed ...

Cyclists and people riding scooters along the Metropolitan Branch Trail are being greeted with digital messages either telling them their speed is safe or urging them to slow down.(WTOP/Scott Gelman) ...

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

D.C. voters will have more of a say in who gets elected to office come June 2026. That month's primary is the first time ranked choice voting will be in place, after the D.C. Council cleared the way ...

Zach began writing for CNET in November, 2021 after writing for a broadcast news station in his hometown, Cincinnati, for five years. You can usually find him reading and drinking coffee or watching a ...

President Donald Trump's Department of Justice has sued the District of Columbia to end a ban on assault-style weapons, including the AR-15. In a nine-page lawsuit filed on Monday, the DOJ's Civil ...