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March 11th, 2004
Multilevel Molecular Memory
In conventional memory cells a bit of information is either a zero or one. (In hypothetical quantum computers, a bit could be both a zero and a one at the same time, but that kind of nimble balancing is years away from exploitation and so bits continue to be bi-level.) In the meantime one way of cramming more data into a fixed lateral region on a data storage device, other than shrinking the cell's size, is to store more than one bit in each memory cell.
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