Tax on Amazon purchases in Calif. begins Saturday

(AP)—Online retailer Amazon.com has tried to become all things to all consumers, but in California, it is about to take on a role it fought against for years: tax collector.

China high-tech firms deny spying before Congress (Update)

(AP)—Two major Chinese technology companies on Thursday denied allegations that some of their equipment is designed to facilitate spying, but struggled to convince U.S. lawmakers that they are independent from the dictates ...

Researchers develop rapid method to measure carbon footprints

Researchers have developed new software that can rapidly calculate the carbon footprints of thousands of products simultaneously, a process that up to now has been time consuming and expensive. The methodology should help ...

Nanoengineers can print 3D microstructures in mere seconds

(Phys.org)—Nanoengineers at the University of California, San Diego have developed a novel technology that can fabricate, in mere seconds, microscale three dimensional (3D) structures out of soft, biocompatible hydrogels. ...

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