Quantum computing may be moving out of science fiction

ronjor · Dec 15, 2015

By Sharon Gaudin Computerworld | Dec 15, 2015 12:49 PM PT
Quantum computing, while tough to build, is also tough to explain. Some of the top physicists in the world admit to not understanding how it works. A classic computer uses ones and zeros – known as bits – to process instructions, and moves through its calculations in a linear way. A quantum computer, though, uses qubits, instead of bits. A qubit has the possibility of being both a one and a zero. Using qubits, a quantum machine doesn't work in an orderly fashion and can calculate all the possibilities at the same time.
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http://www.computerworld.com/articl...ing-may-be-moving-out-of-science-fiction.html

ronjor · Dec 19, 2015

Swedish physicists prove quantum cryptography can be hacked

Paul Hamaker Birmingham Science News Examiner

Quantum cryptography was thought to be an impervious method of data transfer that could prevent hacking of banking, government, and other sensitive data. Professor Jan-Åke Larsson at Linköping University's Division of Information Coding proved the theoretical possibility for hacking quantum cryptography and colleagues at Stockholm University developed a physical mechanism to prove that hacking the system is possible. The discovery was reported in the Dec. 18, 2015, edition of the journal Science Advances.
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http://www.examiner.com/article/swedish-physicists-prove-quantum-cryptography-can-be-hacked

ronjor · Dec 20, 2015

Google’s Quantum Dream Machine

Physicist John Martinis could deliver one of the holy grails of computing to Google—a machine that dramatically speeds up today’s applications and makes new ones possible.

By Tom Simonite on December 18, 2015
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http://www.technologyreview.com/news/544421/googles-quantum-dream-machine/

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