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Artificial intelligence researcher and writer on decision theory and ethics. Co-founder and research fellow at the Machine Intelligence Research Institute (MIRI). Known for popularizing ideas related to friendly artificial intelligence.
Ars Technica founder. Writer. Coder. Doomer. Generalist. Also http://opensourcedefense.org. OG OG. Heartbroke but still loc'd.
Astrophysicist, author, and science communicator. Studied at Harvard University, the University of Texas at Austin, and Columbia University. Director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City. Founded the Department of Astrophysics at the American Museum of Natural History.
Astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, science communicator, author, and professor. Known for research on the possibility of extraterrestrial life, assembly of the Pioneer plaque and the Voyager Golden Record, and advocating for the greenhouse effect hypothesis on Venus.
Theoretical physicist, cosmologist, and author. Director of research at the Centre for Theoretical Cosmology at the University of Cambridge. Former Lucasian Professor of Mathematics at the University of Cambridge.