09/01/2013

A non-causal quantum eraser

Whether a quantum object behaves like a wave or like a particle depends (according to the Copenhagen interpretation) on the choice of measurement apparatus used for observing the system, and therefore on the type of measurement ...

Bugs need symbiotic bacteria to exploit plant seeds

Aggregations of the red and black colored firebugs are ubiquitous under linden trees in Central Europe, where the bugs can reach astounding population densities. While these insects have no impact on humans, their African, ...

Company unveils haptic EMP feedback keyboard at CES

(Phys.org)—San Francisco based Strategic Polymers has unveiled new haptic technology the company has developed at this year's Computer and Electronics Show (CES) in Las Vegas. At a press conference, CEO Christophe Ramstein ...

Google exec in NKorea openness call

(AP)—A private delegation including Google's Eric Schmidt is urging North Korea to allow more open Internet access and cellphones to benefit its citizens, the mission's leader said Wednesday in the country with some of ...

Optical strontium clock to become much more accurate

(Phys.org)—An optical clock with neutral strontium atoms is considered one of the top candidates for the definition of a "new" second. The probabilities have increased considerably, since its frequency will now be determined ...

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