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User: z1234321

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  1. Re:Isn't this axiomatically impossible? on Physicist Trying To Send a Signal Back In Time · · Score: 1

    I was also wondering, IANAP, but isn't it possible for the particle to change randomly not through entanglement? If so, how will they know which changes were caused by entanglement vs. random changes?

  2. SiteAdvisor == spyware? on Most Web Users Unable to Spot Spyware · · Score: 1

    I find it humorous that the system used to prevent spyware also tracks the score people get on a quiz and what sites they visited for at least 30 days thereafter.

  3. Re:How about Fresnel lenses? on Holographic Solar Collectors · · Score: 1

    I agree. In an old PopSci article, they mentioned that solar cells with fresnel-type lenses were used on Deep Space One to boost the output. The article is at http://www.solarviews.com/eng/deepspace1.htm[solar views.com]. FTA: "The solar panels, designated SCARLET II (Solar Concentrator Arrays with Refractive Linear Element Technology) constitute one of the technology tests on the spacecraft. A cylindrical lens concentrates sunlight on a strip of GaInP2/GaAs/Ge photovoltaic cells and acts to protect the cells. Each solar array consists of four 160 cm x 113 cm panels."

  4. Re:Hahah yes yes everyone laugh but.. on Mafia Boss Using Crook Crypto Captured · · Score: 1

    The vigenere cipher is a far better alternative for short messages, and it is fairly quick to encrypt with it if you use a table. All you ever wanted to know about the vigenere cipher: http://www.trincoll.edu/depts/cpsc/cryptography/vi genere.html

  5. Machine Learning on Two Legged Robot Sets Speed Record · · Score: 1

    IANA roboticist, but after I RTFA, it seemed like the point was to implement neural networks into more complex aspects of robotics. It seemed to be demonstrating that coding a (relatively) simple machine learning system allowed the robot to develop even an better walking algorithm than those written entirely by humans. As such, it was successful even with the rod.