News tagged with torus
Mathematics: First-ever image of a flat torus in 3D
Just as a terrestrial globe cannot be flattened without distorting the distances, it seemed impossible to visualize abstract mathematical objects called flat tori in ordinary three-dimensional space. However, ...
Apr 26, 2012 |
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A new paradigm for active galactic nuclei
(Phys.org) -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. ...
Apr 24, 2012 |
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The origins of a torus in a galactic nucleus
(PhysOrg.com) -- Quasars are among the most energetic objects in the universe, with some of them as luminous as ten thousand Milky Way galaxies. Quasars are thought to have massive black holes at their cores, ...
Mar 13, 2012 |
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NSTX project will produce world's most powerful spherical torus
DOE's Princeton Plasma Physics Laboratory (PPPL) is getting an earlier-than-expected start on a $94 million, nearly three-year project as the next stage of its mission to chart an attractive course for the ...
Jan 18, 2012 |
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Enceladus rains water onto Saturn
(PhysOrg.com) -- ESA's Herschel space observatory has shown that water expelled from the moon Enceladus forms a giant torus of water vapour around Saturn. The discovery solves a 14-year mystery by identifying ...
Space & Earth / Space Exploration
Jul 26, 2011 |
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Upping the power triggers an ordered helical plasma
If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...
Nov 02, 2009 |
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