from the does-it-burn-as-well-as-dead-dinosaurs dept.
slew writes "This article talks about a study accepted to Physical Review Letters which theorizes that iron oxide goes through an insulator/metal phase change with high temperature and pressure. Originally it was thought to be a crystalline structure change, but now apparently it is theorized to be a new type of metallic state. This discovery might offer new insight on how the earth's magnetic field operates."
The brain is a wonderful organ; it starts working the moment you get up
in the morning, and does not stop until you get to work.