Your nerves transmit messages within the brain, as well as among the brain, spinal cord, and the body. In order to do this, they use a combination of electrical and chemical signaling. Motor neurons ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Flanked by a forest view, a motor for the Orion spacecraft underwent a three-pronged fiery test ...

NASA’s Space Shuttle program successfully test fired its first Flight Verification Motor — a test to further validate the five-year lifespan of a Reusable Solid Rocket Motor — Thursday, Feb. 17, at a ...

NASA’s Space Shuttle program successfully fired its first Production Rate Motor Tuesday, Aug. 16, at a Utah test facility. The two-minute static, or stationary, firing of the rocket motor was ...

With a loud roar and mighty column of flame, NASA and ATK Aerospace Systems successfully completed a 2-minute, full-scale test of the largest and most powerful solid rocket motor designed for flight.

Overseen by the 717th Test Squadron and the Arnold Engineering Development Test Complex, the ground-based fire of the Sentinel’s second stage rocket motor was “conducted in a vacuum chamber to ...

This story was updated at 10:41 p.m. ET. PROMONTORY, Utah — A full-scale test of the world's largest solid rocket motor, which was originally envisioned to power a new NASA rocket, went off without a ...

A motor evoked potential (MEP) test can determine whether there is any damage along the nerves in the brain and spinal cord. It is a painless procedure but may cause some skin discomfort. An MEP test ...