News tagged with quantum information

The entropy of black holes

Yesterday I talked about black hole thermodynamics, specifically how you can write the laws of thermodynamics as laws about black holes. Central to the idea of thermodynamics is the property of entropy, which c ...

dateSep 12, 2014 in Astronomy
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Heat control in nanoscale SQUIDs

Nanoscale Superconducting QUantum Interference Devices (nanoSQUIDs) are potentially the most sensitive measurement devices in the world. They detect changes in an electromagnetic property known as magnetic ...

dateJan 28, 2014 in Quantum Physics
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Ultrafast remote switching of light emission

Researchers from Eindhoven University of Technology can now for the first time remotely control a miniature light source at timescales of 200 trillionth of a second. They published the results on Sept. 2014 ...

dateSep 30, 2014 in Nanophysics
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The diamond’s quantum memory

For years, quantum computers have been the holy grail of quantum technology. When a normal computer has to solve a number of problems, it can only execute them one after the other. In contrast, a quantum computer ...

dateAug 10, 2011 in Quantum Physics
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