(Phys.org) —We all know that the Earth rotates beneath our feet, but new research from ANU has revealed that the center of the Earth is out of sync with the rest of the planet, frequently speeding up and ...
May 13, 2013
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Accurately sensing rotation is important to a variety of technologies, from today's smartphones to navigational instruments that help keep submarines, planes, and satellites on course. In a paper accepted for publication ...
May 06, 2013
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Cornell physicists can now precisely control how particles in viscous liquids swirl, twirl and whirl. Think of coffee and adding cream—and gaining control of the particles in the cream. Understanding this concept could ...
Mar 22, 2013
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(Phys.org)—An asteroid that some day might threaten Earth is passing relatively close by on the night of December 11–12, and its gliding path among the stars will be tracked by a team of high-school students ...
Dec 11, 2012
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Vega, a star astronomers have used as a touchstone to measure other stars' brightness for thousands of years, may be more than 200 million years older than previously thought. That's according to new findings ...
Dec 11, 2012
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Even though black holes—by their definition and very nature—are the ultimate hoarders of the Universe, gathering and gobbling up matter and energy to the extent that not even light can escape their gravitational ...
Dec 04, 2012
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(Phys.org) -- Using the planetary radar system at Arecibo Observatory, astronomers have determined that asteroid 2012 LZ1 is twice as large as originally estimated based on its brightness, and large enough ...
Jun 21, 2012
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Magnetic instabilities play a crucial role in the emergence of black holes and other cosmic phenomena. At the Helmholtz- Zentrum Dresden-Rossendorf, confirmation of such a magnetic instability - the Tayler ...
Jun 20, 2012
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(Phys.org) -- In a step toward returning NASA's Mars Odyssey orbiter to full service, mission controllers have tested a spare reaction wheel on the spacecraft for potential use with two other reaction wheels ...
Jun 15, 2012
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(PhysOrg.com) -- ESA’s Venus Express spacecraft has discovered that our cloud-covered neighbour spins a little slower than previously measured. Peering through the dense atmosphere in the infrared, the ...
Feb 10, 2012
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Scientists have been puzzled by periodic bursts of radiation, known as the Saturn kilometric radiation (SKR), that occur in the planet's magnetosphere. These emissions occur at a rate that is close to, but ...
Dec 31, 2011
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Planetary nebulae come in a dazzling array of shapes, from spherical shells of gas, to blobby structures barely containing symmetry at all. Controversy has surrounded the cause for this diversity. Could it ...
Jun 16, 2011
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(PhysOrg.com) -- Optical gyroscopes, also known as rotation sensors, are widely used as a navigational tool in vehicles from ships to airplanes, measuring the rotation rates of a vehicle on three axes to evaluate ...
Oct 05, 2010
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(PhysOrg.com) -- XMM-Newton has caught the fading glow of a tiny celestial object, revealing its rotation rate for the first time. The new information confirms this particular object as one of an extremely ...
Jan 13, 2009
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