Good Gear Guide
How you can help the LHC and 12 other ways to dona...
is a distributed computing based on the M4 Project
designed to break three original Enigma messages intercepted in the North Atlantic in 1942. (The project gets its name from the four rotor Enigma M4 machine presumed to be used by the Germans for enciphering the signals during wartime.) The project, which started in January of 2006, succeeded in breaking the first two messages (the first one read in part "Forced to submerge during attack") within a couple of months, but is still working on No. 3. For more on this project, go here
How you can help the LHC and 12 other ways to donate your PC's spare processing power