Hiya, my quest to learn PHP continues. I thought I'd code a quiz and have managed to get the questions and answers read from a file and output into framesets with radio buttons for multiple choice ...
Micromachining can be used to create a infra-red beam-forming phased array, according to engineers at University of California, Berkeley, who have made a 160 x 160 array on a 3.1 x 3.2mm die that can ...
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