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.
Keep your PC cool. When a computer gets too hot, the CPU fan will speed up. If the CPU is still too hot, the CPU will enter something called thermal throttling which slows down processing speed in order to prevent the CPU from breaking down.