Valve ‘hacker extraordinaire’ builds hybrid rocket engine

Ben Krasnow has created X-rays with a vacuum tube, combined avocados and high pressure nitrous oxide, and cooked up homemade astronaut ice cream all in the last year. His newest YouTube demonstration, though, might be even more impressive — it’s literally rocket science. The “Hacker Extraordinaire,” whose day job is at video-game company Valve, built a small hybrid… Read More