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.
pulse jet
A pulse jet engine (or pulsejet) is a very simple form of internal combustion engine wherein the combustion occurs in pulses an the propulsive effort is a jet; a reaction to the rearward flow of hot gases.