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Tag: Turing Machine

  • Alan Turing: Google Doodle Subject’s Death By Cyanide

    Alan Turing was a British mathematician, a computer scientist, and a tortured soul who spent his last days plagued by homophobia. Widely regarded as the inventor of computer science, his devices–such as the Turing machine, the new Google Doodle that was rolled out today–were largely under-appreciated in his time. Today, June 23rd, he would have been 100 years old. He died on June 7th, 1954 under mysterious circumstances which were ruled as a suicide back then, but are getting re-investigated now as a possible accidental death.

    Turing displayed a brilliant grasp on math and science at a very young age without even having to study, mostly because schools in those days were more interested in classical studies than mathematical. As a teenager he grasped Albert Einstein’s theories and even countered them with some of his own. His headmaster reportedly wrote to his parents out of concern for Turing’s continued education, saying, “I hope he will not fall between two stools. If he is to stay at public school, he must aim at becoming educated. If he is to be solely a Scientific Specialist, he is wasting his time at a public school.”

    This lack of confidence didn’t slow him down, however, and he later became a codebreaker during WWII, creating a number of ways to break German codes. After the war, he worked for the National Physical Laboratory, where he created one of the first designs for a stored-program computer. It was around this time that he began work on the Turing Machine, which is the focus of today’s Google Doodle and is the basis of modern computers. In short, it was capable of computing anything that was computable, using complicated algorithms.

    Turing eventually faced criminal charges for his lifestyle, because homosexuality was illegal in the U.K. back then. He submitted to chemical castration over imprisonment by taking estrogen, but even that didn’t dampen his spirit, according to friends and family. They all say he was well during his last days; however, he was found dead by his housekeeper of cyanide poisoning, with a half-eaten apple by his bed. His death was ruled a suicide, but investigators believe now that it’s very possible he accidentally poisoned himself during one of his experiments, which often included dangerous chemicals. In fact, his workroom had a powerful odor of cyanide after he was found. Some believe it’s possible that he laid his apple down in a puddle of the deadly liquid unknowingly before eating it, as he was notorious for being careless while working.

    Turing’s brilliant mind and accomplishments are still remembered today by those who came after him; his legacy can be found in the codes on the Google homepage as well as in offices of modern science around the world.

    The Doodle is interactive; if you are a technical and math-minded person, check it out.

  • Alan Turing Gets An Interactive Google Doodle For His 100th Birthday

    Google’s got another interactive Doodle getting ready to drop tomorrow, but if you’re not willing to wait until Saturday morning, it’s live in countries where tomorrow is already here. Places like Google New Zealand, Australia, and India, for example. Unfortunately, the latest Doodle isn’t for a musician, which means no interactive musical instruments.

    However, because of the subject, Alan Turing, we do have an interactive Turing Machine to fool with, and for every code you enter correctly, Google colors in one of its letters, meaning when the logo is first loaded, the Google logo is subdued, like so:

    Turing Machine

    Because I’m not a cryptologist, solving the Turing Machine riddle wasn’t necessarily easy for me, although, thanks to trial and error (lots of error), I finally got the Google logo colored in, as you can see in the lead image. For those who aren’t aware of Turing, here’s a brief snippet from his Wikipedia bio:

    He was highly influential in the development of computer science, providing a formalisation of the concepts of “algorithm” and “computation” with the Turing machine, which played a significant role in the creation of the modern computer. Turing is widely considered to be the father of computer science and artificial intelligence.

    During the Second World War, Turing worked for the Government Code and Cypher School (GCCS) at Bletchley Park, Britain’s codebreaking centre. For a time he was head of Hut 8, the section responsible for German naval cryptanalysis. He devised a number of techniques for breaking German ciphers, including the method of the bombe, an electromechanical machine that could find settings for the Enigma machine.

    With that in mind, it makes perfect sense that Google would create a Doodle for Turing, something Matt Cutts turned the world onto with a simple tweet:

    Over at the Google European Public Policy Blog, they have a Picasa-powered slide show of Turing, which gives us images like these:

    Alan Turing

    Pilot ACE computer, Alan Turing


    The second image is of the Pilot ACE computer. The ACE stands for Automatic Computing Engine, which was also developed by Turing.