Fraser CainWe've seen iterations of chemical rockets for decades, and it's fine for robots. But once humans start making long trips between Earth, Mars, and other destinations, they want to go much faster, spending less time in the hostile conditions of deep space. A new NASA study examines next-generation technologies, like nuclear rockets, Hall-effect thrusters, and other breakthroughs that could drop flight times to three months.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.