Friday, January 26, 2007

Gizmo Machismo :)

Thanks For the Memory, Chip

Scientists have built a memory chip that is roughly the size of a white blood cell, about one-2000th of an inch on a side. Kenneth Chang of The New York Times reports that ``although the chip is modest in capacity - with 160,000 bits of information - the bits are crammed together so tightly that it is the densest ever made. The achievement points to a possible path toward continuing the exponential growth of computing power even after current silicon chip-making technology hits fundamental limits in 10 to 20 years.'' The scientists involved, led by James R. Heath of the California Institute of Technology and J. Fraser Stoddart of the University of California, Los Angeles, reported on aspects of their work as early as 1999, revealing details of specially designed molecular switches and a novel technique for making ultrathin wires. The density of bits on the chip - about 100 billion per square centimetre - is about 40 times greater than current memory chips, Dr. Heath said.

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