General Atomics Electromagnetic Systems joins General Dynamics Ordnance and Tactical Systems and BAE Systems in the competition to develop the Army's next 155mm variant.

During a test last year, the company's projectile hit targets more than 74 miles away after being fired from an M777 howitzer ...

Have you ever sat down and thought “I wonder if a trebuchet could launch a projectile at supersonic speeds?” Neither have we. That’s what separates [David Eade] from the rest of us. He didn’t just ask ...

Breakthrough as a delicate silicon shell fitted with a guidance chip is shot from an electromagnetic rail gun, survives and ...

An M777 155mm howitzer fires at Yuma Proving Ground's Kofa Firing Range. (Chuck Wullenjohn/U.S. Army) HUNTSVILLE, Ala. — The U.S. Army is slated to begin evaluating a hypervelocity projectile for the ...

Oh yes. I know I already did this. However, it was a long time ago with crappy looking graphs. I can do better. The textbooks say that the maximum range for projectile motion (with no air resistance) ...

I’ve started recreating many of my numerical model tutorials for introductory physics. In the beginning, I had students use spreadsheets to create models. Of course, spreadsheets aren’t very good for ...

Projectile vomiting causes vomit to be forcefully sent out of the body. The causes of projectile vomiting in adults and infants are often different, and treatment varies depending on why it occurs.