A normal Wankel has a triangle rotor spinning in a peanut-shaped housing. Liquid Piston flips that; now the peanut rotor spins inside a triangle housing. That small change makes a big difference. The ...

Almost as interesting as the design is the use of fluid simulations and OnShape’s version control to do software-development-like branch and merge to check some of the proposed changes. There’s also a ...

There's been a lot of development activity around flying vehicles recently, but the Air Force wants a shortcut to an unmanned electric vertical takeoff and landing (eVTOL) concept for urban transport.

(CAMBRIDGE, Mass.) -- Since their invention in the late 1700s when French-born British physicist Denis Papin, the inventor of the pressure cooker, proposed the piston principle, pistons have been used ...

Despite being in existence and undergoing continuous development for 140 years, the internal combustion engine can still be improved, and Volvo recently highlighted one of its recent improvements that ...