geoengineering

‘NanoPen’ may write new chapter in nanotechnology manufacturing

Researchers in California are reporting development of a so-called "NanoPen" that could provide a quick, convenient way of laying down patterns of nanoparticles — from wires to circuits — for making futuristic electronic devices, medical diagnostic tests, and other much-anticipated nanotech applications.

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A safe approach to nanotechnology

A non-toxic and environmentally friendly way to make tiny nanorods of zinc oxide has been developed for the first time by researchers in Saudi Arabia.

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This is Your Brain on Neurotechnology

Zack Lynch is author of The Neuro Revolution: How Brain Science Is Changing Our World (St. Martin's Press, July 2009). Neurotechnology is the emerging science of brain imaging and other new tools for both understanding and influencing our brains.

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DNA computer solves logic queries

DNA has been used to do simple number crunching before, but a system developed by Israeli scientists can effectively answer yes or no questions.

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