WASHINGTON – LiquidPiston, supported by Army innovation programs, is poised to transform the U.S. Army’s capabilities as the ...

The Mazda 787B itself wasn't banned from Le Mans; instead, the car was a victim of rule changes outlawing the rotary engine ...

Save guides, add subjects and pick up where you left off with your BBC account. A cam is a simple mechanism that converts rotary motion (movement that goes round in a circle) into linear motion ...