THE author of this convenient and systematic little treatise is Demonstrator of geology in the Imperial College of Science, London, where he has gained experience through the introduction of large I ...
THE story of the development of any scientific instrument is an interesting one, but this is especially so when the result of the development is so universally known and used as the microscope. The ...
Researchers at the University of Illinois at Urbana-Champaign have shown for the first time that expensive aberration-corrected microscopes are no longer required to achieve record-breaking ...
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