Chapter 1: What is light? There was a mystery in that assuming either light is a wave or a particle would result in contradictory phenomena, but today quantum electrodynamics is recognized as the most ...
A light-powered microscope has a resolution limit of around 200 nanometers—which makes observing specimens smaller or closer together than that all but impossible. Engineers at the University of ...
“Cells don't like UV light,” said Lihong Wang, lead researcher on the study. “But if we can use 400-nanometer light to image the cell and achieve the effect of 200-nm light, which is UV, the cells ...
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