Disclaimer: Times have changed since this article was written so seek legal and scientific advice from qualified personnel if you plan to try making your own superconducting materials. I am not qualified personnel or a lawyer. Do not try this at home. We live in a world in which possession of basic chemistry apparatus is illegal in some places, so do your homework.
Process reprinted from OMNI Magazine, November 1987, page 76. (local PDF) (local CBR) (right-click -> save as to download))
The hacker spirit perseveres in all things, especially when it comes to squeezing every last compute cycle out of one's hardware. OC Team Italy set a new world record recently by overclocking a Pentium-4 processor core to 8.0GHz. The CPU they used in their grand experiment is a model 631, and runs natively at 3.0GHz. Their secret sauce to keep the unit from going Chernobyl? Liquid nitrogen.
On one hand, this horrifies the sysadmin in me. On the other.. rock the hell on. A round of beer's on me if I ever meet you guys face to face …