Credit: NASA, public domain Gridded ion thrusters have seen plenty of use, too. NASA’s NSTAR ion engine was installed on the Deep Space 1 probe, which was sent out to fly by a comet and asteroid ...

ESS Tech, Inc. has struggled to commercialize its innovative grid-scale iron redox flow batteries, but it looks like ESS’s ...

Hollow cathodes are used as part of both Hall effect and gridded ion thrusters, which are some of the most common forms of electric propulsion in use today. The operation of hollow cathodes, despite ...

The DLR-Institute of Aerodynamics and Flow Technology performs a lifetime qualification test of ArianeGroup’s radio frequency gridded ion thruster RIT2x ... time of the propulsion system in space. An ...