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Keyword: lisarandall

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  • Fact or Fiction?: Dark Matter Killed the Dinosaurs

    04/02/2015 10:15:04 PM PDT · by grundle · 58 replies
    Scientific American ^ | March 25, 2015 | Lee Billings
    A new out-of-this-world theory links mass extinctions with exotic astrophysics and galactic architecture Every once in a great while, something almost unspeakable happens to Earth. Some terrible force reaches out and tears the tree of life limb from limb. In a geological instant, countless creatures perish and entire lineages simply cease to exist. The most famous of these mass extinctions happened about 66 million years ago, when the dinosaurs died out in the planet-wide environmental disruption that followed a mountain-sized space rock walloping Earth. We can still see the scar from the impact today as a nearly 200-kilometer-wide crater in...
  • One universe or many? Panel holds unusual debate

    04/02/2006 7:46:13 PM PDT · by snarks_when_bored · 132 replies · 2,564+ views
    World Science ^ | March 30,. 2006
    One universe or many? Panel holds unusual debate March 30, 2006 Special to World Science Scientific debates are as old as science. But in science, “debate” usually means a battle of ideas in general, not an actual, politician-style duel in front of an audience. Occasionally, though, the latter also happens. And when the topic is as esoteric as the existence of multiple universes, sparks can fly. According to one proposal, new universes could sprout like bubbles off a spacetime "foam" that's not unlike soap bubbles. (Courtesy Lawrence Berkeley National Laboratory) Such was the scene Wednesday evening at the American Museum...
  • Supersymmetry and Parallel Dimensions [profile of Harvard physicist Lisa Randall]

    01/12/2006 11:54:38 AM PST · by snarks_when_bored · 76 replies · 8,388+ views
    The Harvard Crimson ^ | January 6, 2006 | Adrian J. Smith
    Supersymmetry and Parallel Dimensions Harvard Physicst Randall among world’s leading string theorists Published On Friday, January 06, 2006  1:00 AM By ADRIAN J. SMITH Crimson Staff Writer Professor of Physics Lisa Randall ’83, recently named one of Newsweek’s most influential people of 2006, rose to the top with her theories on gravity. (Photo credit: CRIMSON/GLORIA B. HO) Professor of Physics Lisa Randall ’83 saw how strong gravity could be during a climbing fall in New Hampshire two years ago. She was performing a “challenging” move when she took a surprising fall, she says. Instead of stopping the fall, her support...
  • Prof Ventures Into New Dimension [Lisa Randall alert!]

    11/28/2005 11:58:35 AM PST · by PatrickHenry · 68 replies · 4,196+ views
    Boston ^ | 28 November 2005 | Paul Restuccia
    Lisa Randall has become a star in the rarefied world of high-energy physics, and her theory about a “fifth dimension” has caught the imagination of the general public too. That doesn’t mean she still isn’t shy and a little nervous about all the hoopla. “I really like that my work is getting more people interested in science,” says the 43-year old Harvard physicist. “And while it can get a little nerve-wracking dealing with all the attention, I really enjoy speaking to the public and answering questions.” Randall seems constantly in motion. She seldom sits still, and says her mind brims...