Archive for October 28th, 2017:

Paul Weitz: Skylab and shuttle astronaut dies aged 85

Image copyright NASA US astronaut Paul Weitz, who helped save a Nasa space station after it was damaged during launch, has died aged 85. Mr Weitz, who died at a retirement home in Flagstaff, Arizona, also served as the first commander of the space shuttle Challenger. He was a naval aviator before joining Nasa in

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Artificial intelligence smart enough to fool Captcha security check

Image copyright Getty Images Image caption Computer scientists have developed AI algorithms smart enough to crack Captcha tests Computer scientists have developed artificial intelligence that can outsmart the Captcha website security check system. Captcha challenges people to prove they are human by recognising combinations of letters and numbers that machines would struggle to complete correctly.

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Professor Stephen Hawking’s PhD viewed two million times

Image copyright Cambridge University/Stephen Hawking Image caption Stephen Hawking’s handwriting can be seen on the document Stephen Hawking’s PhD thesis was accessed more than two million times within days of it being made available to the public, it has been revealed. Prof Hawking’s 1966 work proved so popular on the day of its release it

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