The Hacks Blog addresses two issues in one
today: white hot Macs and runaway processes. As they explain, if your Mac is consumed by a stuck process that's putting the hurt on your processor, the machine will run very hot. So what does a geek do?
Find that process and kill it dead. The Hacks Blog explains how to do it, as well as likely culprits: third party drivers or apps that may need an upgrade.