The Postal Service has been irradiating congressional mail since delivery to the Capitol resumed in January.

CNN: Report calls for more study of irradiated mail

TCA. These methods have included coating cork, irradiating it and even microwaving it.

ECONOMIST: Wine

There is a lot of interest in irradiating mail to kill anthrax bacteria, using the kind of technology the food safety industry has developed.

CNN: Ten things you need to know about anthrax

Although its opponents feel irradiating meat is dangerous, "The CDC feels that the irradiation of foods is both effective and safe, " said Dr. David Satcher of the CDC.

CNN: Is the government fighting food poisoning?

Professor Egil Lillestol of Bergen University has been pushing thorium for some years now, and thinks that Norway should set the trend in building a prototype accelerator-driven reactor in which a massive particle accelerator converts thorium-232 to uranium-233 by irradiating it with slow (spallation) neutrons generated by the impact of a 1.6 GeV proton beam on a lead target.

FORBES: Thorium Nuclear Power -- A Lesson From Norway