News tagged with tiny holes
Pore-free Ceramics Shine New Light on Lasers, Electronics and Biomedical Implants
Feb 16, 2009 |
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(PhysOrg.com) -- To most people, the word "ceramics," refers to opaque clay flower pots or translucent porcelain tea cups. But not all ceramics block or scatter light.
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Why Are Galaxies without Black Holes Uncommon?
May 30, 2007 |
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Recent calculations indicate that when two galaxies, and the supermassive black holes that lie at their centers, merge, these galactic 'marriages' frequently produce gravitational forces strong enough to kick the new combined ...
Rogue Black Holes May Roam the Milky Way
Apr 29, 2009 |
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(PhysOrg.com) -- It sounds like the plot of a sci-fi movie: rogue black holes roaming our galaxy, threatening to swallow anything that gets too close. In fact, new calculations by Ryan O'Leary and Avi Loeb ...
Black holes not black after all
May 12, 2008 |
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International scientists have used flowing water to simulate a black hole, testing Stephen Hawking's theory that black holes are not black after all.
Could hadron collider devour the Earth?
Jun 28, 2008 |
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Particle colliders creating black holes that could devour the Earth. Sounds like a great Hollywood script. But, according to UC Santa Barbara Physics Professor Steve Giddings, it's pure fiction.
Researchers demonstrate for the first time how light squeezes through small holes
May 08, 2008 |
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How does light pass through a tiny hole" For the first time, Dr Aurele Adam and Prof. Paul Planken of Delft University of Technology, in conjunction with two South Korean and one German research groups, have succeeded in ...
Galaxy may hold hundreds of rogue black holes
Jan 09, 2008 |
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If the latest simulation of what happens when black holes merge is correct, there could be hundreds of rogue black holes, each weighing several thousand times the mass of the sun, roaming around the Milky ...
Researchers propose new way to reproduce a black hole
Aug 21, 2009 |
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(PhysOrg.com) -- Despite their popularity in the science fiction genre, there is much to be learned about black holes, the mysterious regions in space once thought to be absent of light. In a paper published in the August ...
Astronomers Discover Link Between Supermassive Black Holes and Galaxy Formation
Feb 02, 2009 |
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(PhysOrg.com) -- A pair of astronomers from Texas and Germany have used a telescope at The University of Texas at Austin's McDonald Observatory together with Hubble Space Telescope and many other telescopes ...
Researchers construct a device that mimics one of nature's key transport machines
Biology /
Jan 06, 2009 |
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(PhysOrg.com) -- To help protect its genes, a cell is highly selective about what it allows to move in and out of its nucleus. Yet that choosiness is regulated by just a thin barrier, perforated with tiny ...
Physicists create BlackMax to search for dimensions in space at the Large Hadron Collider
Nov 07, 2008 |
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A team of theoretical and experimental physicists, with participants from Case Western Reserve University, have designed a new black hole simulator called BlackMax to search for evidence that extra dimensions might exist ...
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