Both in the near and far future what engines will drive “fast” interplanetary ships?
Fast being comparative to the acceleration and speeds achieved with current technology.
the newest system on the horizon is a nuclear/ion engine. they are being used on a couple of space probes as we "speak". they only work in a vacuum, so they have to be launched by chemically propelled rockets. they accelerate VERY slowly, but


Yahoo’s Shashi Seth on the Future of Search, Mobile & Structured Data (Search Engine Watch): Share With Frie...
Yahoo’s Shashi Seth on the Future of Search, Mobile & Structured Data (Search Engine Watch) Share With Friends: | | I