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 ...

By co-designing the drive system with the pipetting channel, manufacturers can ensure compact, efficient, and high-precision ...

Northrop Grumman announced Dec. 18 it had test-fired a prototype of a new solid rocket motor for the U.S. Navy about eight months after contract award as the Pentagon and contractors race to increase ...

In some Riverdale Park parking lots, late at night, Marylanders can now catch a glimpse of something promised more than a decade ago — a moving Purple Line train. After years of delays, the $9.5 ...

WUSA-TV Washington, D.C. Posted: December 9, 2025 | Last updated: December 9, 2025 Some DC residents say they need DC Streetcar service, despite city leaders' claims. When my husband died suddenly, ...

Northrop Grumman test-fired a solid rocket motor called SMASH!22 Dec. 4 as part of its SMART Demo development program. Credit: Northrop Grumman WASHINGTON — Northrop Grumman tested a solid rocket ...

Haris Tarin, vice president of the Muslim Public Affairs Council, outlines how the alleged DC shooter was vetted and what it means for Afghan immigration to the U.S. One of two National Guard members ...

The lab at Concord Hospital is a giant latticework of testing pathways, selected by sample type. Think of a Monopoly board with lots of curves and side alleys to get to the finish. First, a technician ...

A two-day Goodyear tire test is scheduled this week at Bristol Motor Speedway, with the goal of dialing in an optimal setup for the NASCAR Cup Series’ two visits to the Tennessee short track next year ...

President Donald Trump reiterated his call for the U.S. to resume nuclear testing in a video he posted on his social media platform Truth Social. “Because of other countries’ testing programs, I have ...