If your kid can’t get enough animal books, Nat Geo documentaries and time roaming around your backyard collecting bugs, it might be time to take their exploration to a new, tangible level with ...
8don MSN
In 1931, electromagnetic lenses helped scientists see a world ordinary microscopes could not reach
In 1931, physicists Knoll and Ruska unveiled the first electron microscope, revolutionizing science by using magnetic lenses ...
James Hillier, the Canadian-born physicist who made the first practical electron microscope, then personally convinced hundreds of scientists to use it, has died. He was 91. Hillier died of a stroke ...
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