Scientists studying how a class of micro-organism called Geobacter sulfurreducens generates electricity to help remove radioactive material such as uranium from ground water, have discovered they actually build conductive 3 - 5 nm "nanowires" whose length can be measured in microns. The discovery is being published in the June 23 edition of the journal Nature. Read more
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Soil polluted by organic toxins can be blasted clean with ultrasound, say researchers in Australia. The method may prove to be more effective at cleaning up contamination from oil refineries, power stations and aluminium factories than existing methods. Read more
We recently had the chance to play a bit of Cryostasis, the latest title supporting Nvidia's PhysX technology. In fact, we played the game on five different hardware configurations. Want to play this one? We'll tell you what you need in order to enjoy it. Read more
Hard drive capacities have increased in large increments over the last few years, while trends indicate reduced spindle speeds of 5,400 RPM instead of 7,200. We looked at three generations of Samsung hard drives to analyze the performance ramifications. Read more
This month, ATI's new Radeon HD 4770 is missing in action, since online stores are not only unable to keep it in stock, but also de-listing it completely. With violent movements in pricing, though, it'd have been taken off the recommended list anyway. Read more
Nvidia's Ion for the do-it-yourselfer launched last month in the form of Zotac's mini-ITX motherboard. Though sexy in principle, the platform had some teething pains right out of the gate. Chris Angelini revisits those issues and uses Ion as a real HTPC. Read more
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