This is a very cool electronic project to control dc loads using a very cheap and reliable design. This video also explains ...

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) ...

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the ...

One of the perennial challenges of building robots is minimizing the size and weight of drive systems while preserving power.

The US government now admits failures by the pilots of an Army Black Hawk helicopter and a controller in the Reagan National Airport tower during the January 29 midair collision over the Potomac River ...

Almost a year after the nation’s worst aviation disaster in decades, Congress is poised to give the military free rein to resume flying helicopters on training missions in Washington without using a ...

A simple software method to increase the duty-cycle resolution in a digital pulse width modulation (DPWM)-controlled power ...

The crash on Jan. 29 left 67 people dead. The U.S. government admitted some failures and accepted liability for its role in the deadly Jan. 29 mid-air crash over the Potomac River between a commercial ...

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...

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 ...