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 Way galaxy.
Astronomy
Jan 9, 2008
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Astronomers studying a nearby galaxy have spied a rare type of star system -- one that contains a black hole that suddenly began glowing brightly with X-rays.
Astronomy
Jan 9, 2008
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You're walking down a busy street, with cars and buses driving past and bits of conversations reaching your ears, when you hear someone call your name. You turn about 60 degrees to your left and look up to the second floor ...
A new pocked-sized device may soon help parents keep track of their young children, aging parents, or even pets - all through a PC or phone.
With the aid of various alarm calls the Siberian jay bird species tells other members of its group what their main predators - hawks - are doing. The alarm calls are sufficient for Siberian jays to evince situation-specific ...
Jan 9, 2008
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Researchers from the European Molecular Biology Laboratory (EMBL) have discovered that proteins that regulate the body's iron household play a vital role in making sure enough nutrients and water are absorbed in the intestine. ...
Jan 9, 2008
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Muscles usually contract when a neurotransmitter molecule is released from nerve cells onto muscle cells. But University of Utah scientists discovered that bare subatomic protons can act like larger, more complex neurotransmitters, ...
Jan 9, 2008
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Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory.
General Physics
Jan 9, 2008
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Nanoscopic “lumps” of atoms, known as clusters, are the specialty of a research team headed by Dieter Fenske from the University of Karlsruhe and the Forschungszentrum Karlsruhe.
Jan 9, 2008
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Solar cells have attracted global attention as one of the cornerstones of alternative energy. In theory, it seems to make abundant sense to tap into the energy of the sun to convert light to electricity with little or no ...
Jan 9, 2008
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