For decades, astronomers, physicists and cosmologists have theorized that the universe is filled with an exotic material called “dark matter” that explains the stranger gravitational behavior of galaxies and galaxy clusters.
There was one collaborator who has been written out of Shannon’s story. She was an unsung force behind his life and work.
Somewhere else on this site I already mentioned the top millenium problems of m athematics. More on this subject here: Just one
About a hundred years ago David Hilbert, a German mathematician resented twenty-three math puzzles to the International Congress of Mathematicians. Today, only