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Computer scientists develop 'mathematical jigsaw puzzles' to encrypt software(Phys.org) —UCLA computer science professor Amit Sahai and a team of researchers have designed a system to encrypt software so that it only allows someone to use a program as intended while preventing any deciphering of the code behind it. This is known in computer science as "software obfuscation," and it is the first time it has been accomplished.
http://phys.org/news294342870.html
TechnologyMon, 29 Jul 2013 18:54:46 ESTnews294342870Researchers test quantum encryption hacking risk(Phys.org) —Quantum communication systems offer the promise of virtually unbreakable encryption. Unlike classical encryption, which is used to send secure data over networks today and whose security depends on the difficulty of solving mathematical problems like the factoring of large numbers, most quantum encryption schemes keep the encryption key separate from the data. This approach ensures that an eavesdropper with access only to the data could not decipher the key. However, researchers have recently demonstrated that even quantum encryption may be susceptible to hacking.
http://phys.org/news288952898.html
PhysicsTue, 28 May 2013 09:41:55 ESTnews288952898What is behind Einstein's turbulences? Calculations give initial insight into relativistic properties of this process(Phys.org) —The American Nobel Prize Laureate for Physics Richard Feynman once described turbulence as "the most important unsolved problem of classical physics", because a description of the phenomenon from first principles does not exist. This is still regarded as one of the six most important problems in mathematics today. David Radice and Luciano Rezzolla from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute/AEI) in Potsdam have now taken a major step toward solving this problem: For the first time, a new computer code has provided relativistic calculations that give scientists a better understanding of turbulent processes in regimes that can be found in astrophysical phenomena.
http://phys.org/news284224873.html
PhysicsWed, 03 Apr 2013 16:21:47 ESTnews284224873Supercomputing for a superproblem: A computational journey into pure mathematicsA world-famous mathematician responsible for solving one of the subject's most challenging problems has published his latest work as a University of Leicester research report.
http://phys.org/news271427855.html
Other SciencesTue, 06 Nov 2012 12:37:45 ESTnews271427855Choreographing dance of electrons offers promise in pursuit of quantum computers(PhysOrg.com) -- In the basement of Hoyt Laboratory at Princeton University, Alexei Tyryshkin clicked a computer mouse and sent a burst of microwaves washing across a silicon crystal suspended in a frozen cylinder of stainless steel.
http://phys.org/news245567380.html
PhysicsThu, 12 Jan 2012 05:12:53 ESTnews245567380Soap films help to solve mathematical problemsSoap bubbles and films have always fascinated children and adults, but they can also serve to solve complex mathematical calculations. This is shown by a study carried out by two professors at the University of Malaga (Spain), who have succeeded in solving classic problems using just such an innovative procedure.
http://phys.org/news215183055.html
PhysicsTue, 25 Jan 2011 13:06:06 ESTnews215183055