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Programming

Evolution of Mona Lisa Via Genetic Programming 326

Posted by kdawson from the but-the-target-was-given dept.
mhelander writes "In his weblog Roger Alsing describes how he used genetic programming to arrive at a remarkably good approximation of Mona Lisa using only 50 semi-transparent polygons. His blog entry includes a set of pictures that let you see how 'Poly Lisa' evolved over roughly a million generations. Both beautiful to look at and a striking way to get a feel for the power of evolutionary algorithms."
Power

Submission + - SPAM: A 30-picowatt processor for sensors

Submitted by
Roland Piquepaille
Roland Piquepaille writes: "University of Michigan (U-M) researchers have developed an ultra low power microchip which 'uses 30,000 times less power in sleep mode and 10 times less in active mode than comparable chips now on the market.' It only consumes 30 picowatts in sleep mode, which means that a simple watch battery could power the chip for more than 200 years. Of course, this is not a processor for your next computer. It is designed for sensor-based devices such as medical implants, environment monitors or surveillance equipment. However, the design is very clever. But read more for additional references and a die photo of the Phoenix Processor."
Wireless Networking

Submission + - Terahertz spectrum for wireless communication

Submitted by holy_calamity
holy_calamity writes: A first step to allowing wireless data transfer over a currently unused part of the electromagnetic spectrum are reported in New Scientist. Terahertz radiation exists between radio and infrared. A new filter created at the University of Utah can filter out particular frequencies, a prerequisite for using it for data. The abstract of the paper in the journal Nature is freely available.

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How long does it take a DEC field service engineer to change a lightbulb? It depends on how many bad ones he brought with him.

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