We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

Chambered for 5.56mm NATO, the AR-18 used a then-new short-stroke gas piston system and innovated the folding stock. Despite these innovations, the AR-18 failed to win any large contracts.

Editor’s note: We are publishing these 3D animations to show the destructive power of the AR-15. The images may disturb some people. The wounds show the lethal force of the AR-15. But they are ...

In the animation at the right, the cold zone is in blue and contains the power piston. The hot zone is in red and contains another piston called the displacer. Heat is added to the hot zone and ...

The Piston Simulation function models the circular motion of a piston within a cylinder. It involves a chain of nonlinear functions. The response C is cycle time (the time it takes to complete one ...

“Hit!” an instructor called. It was the first time that D, a nonbinary community organizer, had fired an AR-15.

The Detroit Pistons fall short in overtime to the Milwaukee Bucks after Giannis Antetokounmpo scores 59 points along with 14 ...

FAYETTEVILLE, Ark. (AP) — Adou Thiero and Zvonimir Ivisic scored 19 points apiece, and No. 18 Arkansas used a big second-half ...

Following #18 Arkansas men’s basketball’s 65-49 win over Troy, head coach John Calipari and sophomore forward Zvonimir Ivisic ...

J.B. Hunt Transport Services Inc. announced changes to its executive leadership team Monday. The transportation company said Nick Hobbs has been named president of highway and final mile services, ...

We are experiencing some temporary issues. The market data on this page is currently delayed. Please bear with us as we address this and restore your personalised lists.