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  1. Humans

    Letters from the June 16, 2007, issue of Science News

    Bigger picture Reading “Pictures Posing Questions: The next steps in photography could blur reality” (SN: 4/7/07, p. 216), I was struck by the similarity between the image that used a cone-shaped mirror and the images you get from gravitational lensing. As the same data are available in both types of images, it ought to be […]

    By Science News
  2. Humans

    From the June 5, 1937, issue

    All lit up in Paris, changing elements, and cheap, accurate lenses.

    By Science News
  3. Humans

    Scitopia.org

    This new site is a search portal to the digital libraries of leading science and technology societies.