Trump suggested he might use federal power to "take back Washington" if Janeese Lewis George wins. Both mayoral candidates, Lewis George and Kenyan McDuffie, have rebuked Trump's comments. Polls show ...

How brushless DC motors use electronic commutation to maximize efficiency and ensure smooth and stable motion. Compare trapezoidal, sinusoidal, and sensorless commutation techniques, including key ...

The importance of motor trajectory profiles and how they’re used in brushless DC (BLDC) motor control to minimize vibration and smooth out other performance issues. Why the PID loop is the most widely ...

WASHINGTON (7News) — It's that time of year -- spring cleaning! In the District, leaders are rolling out an aggressive approach to repair roads and sidewalks after the brutal winter storms. They're ...

If you spend any time in D.C., you know rats are a problem. "They be in the dumpsters. They be running in groups, like, two, three — a few too many," one man told News4. Another resident said said ...

A ground stop was issued at BWI and other airports in the DC region on Friday, according to the Federal Aviation Administration (FAA). The stop was was a result of a strong smell at the Potomac ...

Cruise control can be a true asset when you're on a road trip or stuck in the car for hours. We're not talking about autopilot or self-driving vehicles, but that handy feature that you can turn on to ...

Flights were grounded at three major DC-area airports for several hours on Friday night because of a “strong odor” that emanated from a faulty circuit board at an air traffic control center, officials ...

Passengers at three airports in the Washington, DC, area faced significant delays after a ground stop was issued Friday afternoon due to an equipment outage, according to the FAA and Transportation ...

A ground stop issued at several airports in the Washington, D.C., region on Friday has been lifted after a chemical odor disrupted air traffic control operations. "The ground stop is over and ...

The ground delays, which also affected the airport serving Richmond, Va., were expected to last until at least midnight, according to the F.A.A., which said the smell had affected air traffic ...