The June 28 explosion of SpaceX's Falcon 9 rocket has amplified calls for the Defense Department to have assured access to space. Credit: NASA TV. WASHINGTON — A group of mostly Republican lawmakers, ...

If necessity is the mother of invention, what’s failure the mother of? Improvement? Anyway, [prpplague]’s second version of his roll-up 70×30 RGB LED display looks a lot better and more reliable than ...