These are obvioulsy the goggles worn by any self respecting mad scientist when dealing with lightening and electricity. You can see examples of their use in the documentary Young Frankenstein. http://1.bp.blogspot.com/_C_8M2WVWfgM/TTKeVpqyRmI/AAAAAAAAIWo/KmmXwHZaVSQ/s1600/2007_7young-frankenstein.jpg
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