Illustration of photon-photon scattering in the laboratory. Two green petawatt lasers beams collide at the focus with a third red beam to polarise the quantum vacuum. This allows a fourth blue laser ...
Learn about Violet Dandridge, Aime Motter Awl, Carolyn Bartlett Gast, and Marilyn Schotte: four women from the Smithsonian National Museum of Natural History Department of Invertebrate Zoology who ...
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