ScienceDaily: Computers and Internet News |
- On-chip topological light: First measurements of transmission and delay
- When particles fall left and right at the same time: Physicists develop new method to verify quantum entanglement
- Misinformation diffusing online
| On-chip topological light: First measurements of transmission and delay Posted: 01 Aug 2014 02:11 PM PDT First came the concept of topological light. Then came images of topological light moving around a microchip. Now full measurements of the transmission of light around and through the chip. |
| Posted: 01 Aug 2014 06:11 AM PDT It takes only a slight disturbance for a pencil standing on its tip to fall in one direction or another. In the quantum world it is possible in principle for particles of a system to fall both left and right at the same time. Differentiating this "and" state -- the quantum entanglement of particles -- from the classical "or" is an experimental challenge. Scientists have now devised a novel and universal method that enables entanglement verification for states of large atomic systems. |
| Misinformation diffusing online Posted: 31 Jul 2014 08:10 AM PDT The spread of misinformation through online social networks is becoming an increasingly worrying problem. Researchers have now modeled how such fictions and diffuse through those networks. They described details of their research and the taxonomy that could help those who run, regulate and use online social networks better understand how to slow or even prevent the spread of misinformation to the wider public. |
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