A major issue in computers is sound. Many people want to minimise the constant humming of their computer fans and hard disk. If a whole computer could somehow be put into a vacuum then this would eliminate the need for a fan (as there would be no temperature in the case as it would be in a vacuum) and also any noise should not be heard in the case as noise cannot travel through a vacuum. I admit that there would be issues when people want to open their p.c. to upgrade or if there was a...