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.
vibration
Vibration refers to mechanical oscillations about an equilibrium point . The oscillations may be perioic such as the motion of a pendulum or random such as the movement of a tire on a gravel road.
Trivia about vibration
(Jimmy of the Clue Crew hits a hanging baseball bat with a mallet.) The familiar crack of a bat comes only when it's struck at the spot where this is at a minimum; if contact comes elsewhere, you get more of a thud