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Nanowire 'inks' enable paper-based printable electronics

By suspending tiny metal nanoparticles in liquids, Duke University scientists are brewing up conductive ink-jet printer "inks" to print inexpensive, customizable circuit patterns on just about any surface.

'Flight shame' has Swedes rethinking air travel

Saddled with long dark winters at home, Swedes have for decades been frequent flyers seeking out sunnier climes, but a growing number are changing their ways because of air travel's impact on the climate.

Ray of light could lead to next generation of superconductors

A superconductor, which can move electrical energy with no wasteful resistance, is the holy grail of cost-effective, efficient, and "green" power production. Unlike traditional conductors such as copper or silver, which waste ...

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