The U.S. Air Force, which has batted down many a flying-saucer report, has long wished (in private) that it could build one. By last week, the Air Force was prepared to invest heavily to make ...

The science pros at TKOR levitate objects using the Coanda effect, demonstrating physics in a mesmerizing and gravity-defying experiment.

Henri Coanda designed a propellerless aircraft in France that used a piston engine to drive a ducted fan style motorjet, aiming to generate thrust directly instead of spinning a propeller. The ...