NASA has given its seal of approval (and a lot of money) to SpaceX and three other private companies, as part of its Commercial Crew Development (CCDev2) initiative -- a program designed to spur the development of U.S. commercial spaceflight. The agency awarded a total of $270 million to the four l
3 years ago
As we've seen countless times, ray guns can employ any number of less than lethal means to stop their targets in their tracks, and it looks like the Sierra Nevada Corporation is making some progress on one of the more novel methods, with its MEDUSA system apparently able to beam sounds into people'
6 years ago