"Very funny, Scotty. Now beam down my clothes."

Science Blog - A traveling-wave engine to power deep space travel: "A University of California scientist working at Los Alamos National Laboratory and researchers from Northrop Grumman Space Technology have developed a novel method for generating electrical power for deep-space travel using sound waves. The traveling-wave thermoacoustic electric generator has the potential to power space probes to the furthest reaches of the Universe."