The U.S. Patent and Trademark Office on Tuesday issued Apple a patent for a cooling system that blows ionized air through an electronic device, controlling its path by creating electromagnetic fields ...

This circuit generates speed pulses from the speed-dependent voltage spikes generated by commonly used types of PC power supply fans, which are superimposed on the supply voltage. The pulse signal can ...

A broken fan can cause your computer to overheat and damage internal components like the CPU, video card, hard drive and motherboard. Computer fans usually adjust their speed depending on the heat ...