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Friday, August 1, 2014

ScienceDaily: Computers and Internet News

ScienceDaily: Computers and Internet News


Finding quantum 'lines of desire': Physicists track quantum system's wanderings through quantum state space

Posted: 30 Jul 2014 10:24 AM PDT

What paths do quantum particles, such as atoms or photons, follow through quantum state space? Scientists have used an "artificial atom" to continuously and repeatedly record the paths through quantum state space. From the cobweb of a million paths, a most likely path between two quantum states emerged, much as social trails emerge as people round off corners or cut across lawns between buildings.

Internet search engines as both aid, danger for people at risk of suicide

Posted: 28 Jul 2014 05:04 AM PDT

If someone is thinking about suicide, the Internet often serves as a source of information. The dangerous thing about this is that content containing harmful information that can potentially encourage suicide ranks higher in search engines' hit lists than sources of help.

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