The topsy turvy world of quantum computing

Article Abstract:

Quantum computers, until recently regarded as strange curiosities rather than as actual possibilities, are emerging as realities. Companies funding research include such industry leaders as AT&T, HP, IBM, Lucent Technologies and Microsoft. Anxiety that quantum computers will operate far faster than ordinary computers and be able to factor large numbers to break sophisticated secret codes is one of the motives driving such research. Aside from its potential for such applications, scientists seeking to understand quantum information and how to control it are using quantum computers as tiny laboratories of pure research.

Research and Development in the Physical, Engineering, and Life Sciences, Computer Science, Computer industry, Technological forecasting, Technology development, Technology overview, Quantum electronics, Quantum electrodynamics, Future of computing

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Butterfly effect

Article Abstract:

Alexei Erchak at the Massachusetts Institute of Technology, in Cambridge found light emitting diode (LED) that suffered no energy losses. However a UK team feels that the structure of Erchak's LED is not unique and can be found in fluorescent wings of male African swallowtail butterflies.

United Kingdom, Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Light Emitting Diodes, Butterflies, Light-emitting diodes, LEDs

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Chaotic communication

Article Abstract:

Salient features of chaotic signals and chaotic communication systems are presented, along with various research operations conducted on these signals.

Chaos theory, Chaotic systems, Chaotic behaviour in systems

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