Scientists have thought that magmas that form new crust at fast-spreading ridges rise up from the depths, quickly crystallize, and then push away from the ridge to form new ocean floor.
To stop a computer from overheating never keep a cloth or something else on the CPU or monitor. Also use the save energy option from properties so as to switch off the monitor when not in use. This will always help in keeping the computer cool and not overheating it.
CPU overheating causing restarts. I've been having restart issues for some time now but I've been unable to figure out what was wrong. I've tried swaping out ram, endless fiddling with drivers and bios settings, etc. Finally it occured to me that 75c sounded pretty damn hot for a cpu.