It was around 25 years ago, at the time Intel was developing its first microprocessor, when Gordon E. Moore prognosticate that every 18 months the number of transistor per microprocessor would double and therefore the cost per each function would drop by half in the same period of time (Moore's Law).
Till nowadays, Moore's law has proved to be very accurate. Actually it is accepted that the improvement rate defined by his law will continue until the year 2012. However, it is clear that uncertainty related to physical limitations will be increasingly jeopardizing such improvements.
Quantum computers are not just a new way of miniaturizing computers. The concept is something completely new that is based on quantum mechanics (the way matter behaves at atomic and sub-atomic level). Most probably, this new type of computers will become so powerful that it will be possible to break crypto codes that presently protect financial and military secrets. On the other hand, information will be......
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