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At the outskirts of the solar system, beyond the orbit of Neptune, lies an expansive field of icy debris known as the Kuiper belt. The orbits of the individual asteroid-like bodies within the Kuiper…
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Konstantin Batygin Date
04/09/2019
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Why do atoms behave the way they do? Why do electrons form “shells,” as seen in the periodic table? Why does the first shell hold 2 electrons, the second 8, and the third 18: twice the…
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John Baez Date
04/02/2019
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I knew from the time I was a very young child that I wanted to be an astronomer. The dream lasted until I got to college, where I learned to my dismay that I actually had no passion for doing what an…
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Michael Lemonick Date
03/12/2019
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What kinds of shapes can you make by folding a sheet of paper? How strong can you make them, or how flexible? Although we've been folding paper for centuries, we're still discovering…
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Zeb Rocklin Date
02/25/2019
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The creation of the elements in the universe took billions of years and required various processes.The first few minutes of the big bang produced only hydrogen (H) and helium (He). No new elements…
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James Sowell Date
02/06/2019
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Fluid turbulence is one of the greatest unsolved problems of classical physics (and the subject of a million dollar mathematical (Millenium) challenge). Centuries of research--including Leonardo da…
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Michael F. Schatz Date
11/26/2018
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The 2018 Nobel Prize in Physics recognizes two breakthrough inventions in laser physics. The first, optical tweezers, allows scientist and engineers to use lasers like the tractor beams of Star Trek…
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Jennifer Curtis, Chandra Raman, Rick Trebino Date
10/23/2018
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The 2016 confirmation of Einstein's prediction of gravitational waves has put the spotlight back on the importance of curvature for the physics of the universe. While the ability of mass to…
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Elisabetta Matsumoto Date
10/15/2018
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Ever since the first astronomical telescope observations made by Galileo (1610), optical astronomy has developed increasingly sophisticated methods for exploring the universe using only the …
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David B. Kieda Date
10/01/2018
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Are we alone in the universe? The scientific hunt for extraterrestrial intelligence is now well into its fifth decade, and we still haven’t discovered any cosmic company. Could all this mean…
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Seth Shostak biography
Seth Shostak is a Senior Astronomer at the SETI Institute. Date
09/24/2018
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Are we alone in the universe? The scientific hunt for extraterrestrial intelligence is now well into its fifth decade, and we still haven’t discovered any cosmic company. Could all this mean…
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Seth Shostak biography
Seth Shostak is a Senior Astronomer at the SETI Institute. Date
09/24/2018
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In this talk, I’ll discuss climatic issues faced by LGBT people in Physics, informed by findings of the recent American Physical Society report on the status of LGBT people in Physics. This…
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Tim Atherton Date
04/16/2018
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In early 1927, Paul Dirac and Pascual Jordan, independently of one another, published their versions of a general formalism tying the various forms of the new quantum theory together and giving the…
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Michel Janssen Date
04/02/2018
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Scientists and journalists have similar, but not identical interests in getting information about their work to the public in an appealing, but accurate way. James Gorman will draw on his experience…
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James Gorman Date
03/27/2018
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Ions in water are typically understood to be hydrated, i.e. the appropriate water dipolar orientations point toward the charge (which is here taken to be of spherical symmetry). Depending on the…
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Phil Pincus Date
03/26/2018
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Is life most likely to emerge at the present cosmic time around a star like the Sun? Loeb will review the habitability throughout cosmic history from the birth of the first stars 30 million years…
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Abraham (Avi) Loeb Date
03/12/2018
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