Back in 1965, Gordon Moore made an off-handed comment "

that the number of transistors per square inch on an integrated circuit doubles every year to two years".  That comment has now become Moore's Law, and it has proved accurate over the past 40 years.  CNet looks to see if we can expect it to hold true for a few more decades.

"The success of Moore's predictions has created some problems. After decades of doubling

transistors, a single chip now contains several million transistors. Multibillion-dollar factories

have been built to produce these increasingly complex chips. Shrinking the size of transistors and

the copper wires that connect them to fit more densely on a chip has also led to problems like

electric leakage, increased power consumption and processors that generate a fair amount of heat.

Not to mention the fact that physics at some point limits how much transistors can be shrunk.

"My intellect tells me that it will end at sometime," said Leonard Kleinrock, professor of

computer science at UCLA and creator of the basic principle of packet switching. "The size of an

atom, the size of my fingers, and the capability of my eyes will at some point get in the way."

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