'Bed of nails' material for clean surfaces

(Phys.org)—Scientists at the University of Twente's MESA+ Institute for Nanotechnology have developed a new material that is not only extremely water-repellent but also extremely oil-repellent. It contains minuscule pillars ...

Supercomputers a hidden power center of Silicon Valley

Silicon Valley is famed for spawning the desktop, mobile and cloud computing revolutions. What is less well known is that it's one of the nerve centers for building the world's fastest number-crunchers.

Brazil's vibrant high-tech industry urged to go global

Boosted by strong government incentives, Brazil's high-tech industry is showing solid domestic growth but experts say the country's startup entrepreneurs must go global and shun copycat solutions.

Rabbits' detached retina 'glued' with new hydrogel

A newly developed elastic gel administered in liquid form and shown to turn jellylike within minutes after injection into rabbits' eyes to replace the clear gelatinous fluid inside their eyeballs, may help pave the way for ...

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, and is needed because ...

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