The whole process probably took just a few months, Lau said. After the planet spiraled in toward the star, it made contact with the star's surface. From there, drag forces sucked it into the star ...

Electric Propulsors Provide Thrust for Aircraft With DEP Systems There are multiple ways to define DEP, but it is a propulsion system in which the thrust generation comes from three or more ...

While brakes and aerodynamic drag contribute significantly to this process, another critical component is reverse thrust. In this article, we explore the origins, technical workings, and variations of ...

The latter is a retired drag racing driver. Courtney Force participated in the NHRA tour for her father's team John Force Racing. Courtney is one of the female drivers with most funny car wins.

Grasshopper-inspired robot emulates the aquatic prowess of animals, demonstrating the advantage of decoupling the challenge of aquatic locomotion by using combined static and dynamic hydro forces.

As the motor fires up, centrifugal forces cause the two main halves of ... attached to a digital scale as a way of measuring thrust. The test unit isn’t large — the dome is only 1.6 cm in ...