It turns out that the color of gold can only be explained using special relativity. Another brief article says that if relativity is ignored, gold would be silvery in color.
This isn't a new result but I hadn't heard it before.
(via reddit)
Updates to RRDP specimens
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At long last, we have migrated the objects accessible in the SITNAM public
database into a CollectiveAccess back-end. SITNAM was initially launched as
a ...
4 weeks ago
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