New Brain-Like Chips from IBM!

computing.co.uk - 8/18/11 by Stuart Sumner

IBM has unveiled a new experimental computer chip that it says mimics the human brain in that it perceives, acts and even thinks.

It terms the machines built with these chips "cognitive computers", claiming that they are able to learn through experience, find patterns, generate ideas and understand the outcomes.

In building this new generation of chip, IBM combined principles of nanoscience, neuroscience and supercomputing.

It has been awarded $21m (£12.7m) of new funding by the Defense Advanced Research Projects Agency (DARPA) for the next phase of the project, which it terms "Systems of Neuromorphic Adaptive Plastic Scalable Electronics" (SyNAPSE).

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U.S. Military - No Drivers Needed

The largest unmanned vehicle ever deployed with U.S. ground forces, the Lockheed Martin Squad Mission Support System leverages robotic technologies for unmanned transport and logistical support for light, early entry and special operations forces. It solves capability gaps by lightening the Soldier’s load and serving as a power management resource.

The SMSS will decrease the amount of time a Warfighter has to spend in controlling robotic systems by providing vehicles that can navigate autonomously. The SMSS’ supervised autonomy will provide the Warfighter with a reliable squad-size vehicle, which will improve combat readiness, while assuring re-supply channels and casualty evacuations.

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That signal's coming through your lights!

You may soon (relatively speaking) get your ultra-high-speed data transfers through your your ceiling lights.

Credit: Fraunhofer HHI

Just imagine the following scenario: four people are comfortably ensconced in a room. Each one of them can watch a film from the Internet on his or her laptop, in HD quality. This is made possible thanks to optical WLAN. Light from the LEDs in the overhead lights serves as the transfer medium. For a long time, this was just a vision for the future. However, since scientists from the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute HHI in Berlin, Germany, have developed a new transfer technology for video data within the scope of the OMEGA project of the EU, its implementation in real life is getting markedly closer. At the end of May, the scientists were able to present the results of the project in Rennes, France. They were able to transfer data at a rate of 100 megabits per second (Mbit/s) without any losses, using LEDs in the ceiling that light up more than ten square meters (90 square feet). The receiver can be placed anywhere within this radius, which is currently the maximum range. "This means that we transferred four videos in HD quality to four different laptops at the same time," says Dr. Anagnostis Paraskevopoulos from the HHI.

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Are we alone in the universe?

Cornell University Library - July 19, 2011

Life arose on Earth sometime in the first few hundred million years after the young planet had cooled to the point that it could support water-based organisms on its surface. The early emergence of life on Earth has been taken as evidence that the probability of abiogenesis is high, if starting from young-Earth-like conditions. We revisit this argument quantitatively in a Bayesian statistical framework. By constructing a simple model of the probability of abiogenesis, we calculate a Bayesian estimate of its posterior probability, given the data that life emerged fairly early in Earth's history and that, billions of years later, sentient creatures noted this fact and considered its implications. We find that, given only this very limited empirical information, the choice of Bayesian prior for the abiogenesis probability parameter has a dominant influence on the computed posterior probability. Thus, although life began on this planet fairly soon after the Earth became habitable, this fact is consistent with an arbitrarily low intrinsic probability of abiogenesis for plausible uninformative priors, and therefore with life being arbitrarily rare in the Universe.

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