This is a personal playlist of things I have found to be knowledgeable on the sift. Do realize that this is a personal selection, and as such may conflict with your preconceived ideas.
That is okay.
When Albert Einstein formulated General Relativity in 1915, he was not aware the Universe was expanding. Large scale structure in the form of galaxies was not known and all fuzzy luminous nebulae were... continue reading
posted by benjee
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