DARPA Airborne Energy Well seeks laser propulsion on Aircrafts to power Rechargable Unmanned Aerial Systems

A laser is a device that emits a beam of coherent light through an optical amplification process. Laser propulsion is any method of propelling a spacecraft that uses the energy of laser beams.   There are two main types of laser propulsion, depending on whether the laser is onboard or off-board the spacecraft. Onboard methods…