Mobo maker builds 'powerless' processor cooling fan

Mobo maker MSI has come up with a novel way of keeping processors cool and conserving energy at the same time: the CPU to drive its own fan. It's actually a new implementation of an old discovery. MSI's Air Power Cooler uses the energy inherent in the expansion of air as it warms up to drive a fan.
Read more: https://www.theregister.co.uk/2008/02/29/msi_stirling_cooling/?source=Snapzu