California firm Reflect Orbital plans 4,000 reflectors to beam light over cities and power sites, alarming astronomers and dark-sky advocates.
A California startup wants to bounce sunlight from orbit onto Earth after dark, and the idea is stirring up serious debate.
Turning night into day is something big meteors can do, but it might (one day) become as easy as firing up an app and tapping a spot on the map. The startup isn't new; the company's founder and CEO ...