Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
Xenon Ion Propulsion
Description of Boeing's commercial XIPS (Xenon Ion Propulsion System). Designed for satellites, but a specialized version of it was used on NASA's Deep Space 1 spacecraft.