I commented a few months back on "The Thermionic Revolution", a proposal/invention by Philip Hardcastle for a kind of rotating device wherein the rotation enhances the efficiency of the emission process.  Mr. Hardcastle was not happy with my skeptical comments and I promised him I would post a link to his updated website.

Well, today his website is offline.  This, at least, I do understand:  keeping a website online and running properly can be tricky sometimes.

The audacity of thermionic hope?

A reader called to my attention the 'The Thermionic Revolution' website which includes what sounds like an endorsement from friend and esteemed authority Gerry Mahan as well as the following claims:

"A simple way has been found that promises to make cheap abundant electricity from the heat in air