Using a Microwave to Heat Bearings for Fitting

I had to thoroughly verify to ensure that this wasn't an April Fool's prank, but it apparently is legitimate. Interesting technique:

I gotta say, it's a pretty slick idea that I'm dying to try on my wife's microwave.

This one about balancing rotating machinery is also interesting:

I've got a crazy idea we can predict chatter frequencies with a rig like that and do it very cheaply.  Will have to try some experiments.