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.
delta wave
A elta wave is a high amplitude brain wave with a frequency of 1-4 Hertz which can be recorded with an electroencephalogram (EEG) and is usually associated with slow-wave sleep.