Author: Md. Mizanur Rahman
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CAPTCHA: From Turing’s Test to Internet Security
April, 1950. Computer Lab, University of Manchester, England. In a lively mood, British mathematician and computer engineer Alan Turing was discussing the cognitive abilities of computers with his colleagues. The topic of discussion—could a computer ever apply its own intelligence to work as an alternative to humans, as a bot? To unfold this question, they…
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Two DNA Profiles, One Body: The Fascinating Science of Chimerism
October, 1953. Northern England. 33-year-old Mrs. McK (a pseudonym) visited a nearby blood clinic with her husband to donate blood for the first time. After donating, they both finished some little work and returned home. By then, the blood donated at the clinic had reached the laboratory for screening tests. As soon as the lab…