Most famous of these is probably the toroidal propeller that made waves a while ago, mostly in the field of flying drones, but commercial toroidal boat props ... the CAD model and the design ...

Ninety-five percent of deforestation in the Amazon has occurred within 3.4 miles of a road, according to a landmark 2014 ...

This project is billed as the nation’s first offshore floating solar power plant on the surface of the ocean and will be used to power electric vehicles and boats. The demonstration unit ...