Magnets in a chip. That's the idea from Grandis, whose Spin-Transfer Torque RAM chips are set to hit the market late next year.
Over three decades ago, a Berkeley professor theorized that there should be a circuit that can remember what's happened to it. Now, HP is demonstrating it actually exists.
In experiment, information scoots up and down a wire because of magnetic pulses. In a decade that could mean cell phones that can hold the contents of entire libraries.