Computer Hardware
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?

use a lint-free cloth and wipe gently
reverse vacuum
non-static compressed air
blow real hard on the system board
any small vacuum device

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Computer Hardware
You're on your PC at midnight and an electric storm pops up. What's the best way to protect your PC.

you don't worry; you have a lightning rod on your house
unplug the PC and remove phone line from the modem
you don't worry; you've got a surge protector on your PC
stop standing on it
you don't worry; you've got a surge protector on your PC and phone line to your modem

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