In 1980, NASA employee Valerie Thomas invented the Illusion transmitter. This device used concave mirrors to create images that appear to be real, or in front of a mirror itself. This technology ...
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This photographer rigged a waist-level viewfinder from cheap mirrors for US$10 – and he’s sharing how you can, tooThe process involves using lenses and mirrors to bounce the view up into ... trying different concave and Fresnel lenses plus a tiny square mirror he found at a craft store. Once he found the ...
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