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Navigation systems uses near - by WLANs
The Fraunhofer Institute for 5b4 Integrated Circuits (Erlangen, Germany) has developed a navigation system that uses a completely new approach: Instead of satellite signals, it uses the radiation of wireless LANs installed in the environment. Within densely populated cities, the system is even more exact than GPS or similar techniques, the institute claims. Details... more »

 

Nanotech retrofit sharpens X - rays
Researchers at the Ecole Polytechnique Fdrale de Lausanne have crafted a nanoscale diffraction grating that could be retrofitted into existing X-ray machines, enabling health-care providers to also take dark-field X-rays. Details... more »

 

Market opens down on recession fears, Apple
U.S. stocks slid on recession worries and a weak profit outlook from iPod maker Apple Inc. as the Nasdaq composite index crossed a bear market threshold. Details... more »