While just about every modern car uses an electric fan to draw air through the radiator core, prior to the 1990s, every engine was cooled by way of a mechanical fan blade. Even though many hot rods ...

Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of ...

GE Aerospace in 2025 plans to use two of the world’s fastest computers, both at US-government-funded research facilities, to study how its open-fan engine concept will integrate with an aircraft’s ...