The best pressure washers help you rid your outdoor items of built-up dirt and grime. We put our top picks to the test. Check ...
In the early 1940s, Lockheed engineers designed what could have been the world’s first operational jet fighter—the L-133 Starjet. With an advanced axial-flow jet engine, swept-wing design, and a speed ...
The end effects and wall eddy current effect of FLIPs can significantly reduce the pump head and energy conversion efficiency ... which will change the amplitude of the magnetic field along the flow ...