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News tagged with volatility

Electronic nose prototype may be worn for safety-sniffing

(Phys.org) -- A UK company has developed an electronic nose that the company says can make a real difference, as a fast-acting device for detecting harmful substances in the environment. Peratech claims its electronic nose ...

Chemistry / Analytical Chemistry

created May 12, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast weblog

Spurious switching points in traded stock dynamics

Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...

Other Sciences / Mathematics

created May 15, 2012 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast

Magnetic vortex memory shows memory potential of nanodots

(PhysOrg.com) -- Using magnetic nanodots in the vortex state, researchers have designed a new kind of non-volatile memory that could offer increased speed and density for next-generation non-volatile random ...

Nanotechnology / Nanophysics

created Apr 21, 2010 | popularity 4.9 / 5 (15) | comments 4 | with audio podcast feature

Parts of moon interior contains as much water as Earth's upper mantle

Parts of the moon's interior contains as much water as the upper mantle of the Earth - 100 times more of the precious liquid than measured before – research from Case Western Reserve University, Carnegie ...

Space & Earth / Space Exploration

created May 26, 2011 | popularity 4.7 / 5 (29) | comments 57 | with audio podcast

Extremely fast MRAM data storage within reach

Magnetic Random Access Memories (MRAM) are the most important new modules on the market of computer storage devices. Like the well known USB-sticks, they store information into static memory, but MRAM offer ...

Physics / General Physics

created Mar 08, 2011 | popularity 4.5 / 5 (15) | comments 5 | with audio podcast

Waiter, there's metal in my moon water

(PhysOrg.com) -- Bring a filter if you plan on drinking water from the moon. Water ice recently discovered in dust at the bottom of a crater near the moon's south pole is accompanied by metallic elements like ...

Space & Earth / Space Exploration

created Feb 18, 2011 | popularity 5 / 5 (9) | comments 1 | with audio podcast

Researchers discover water on the moon is widespread, similar to Earth's

Researchers at the University of Tennessee, Knoxville, are once again turning what scientists thought they knew about the moon on its head.

Space & Earth / Space Exploration

created Jul 21, 2010 | popularity 5 / 5 (23) | comments 25 | with audio podcast

IBM scientists demonstrate computer memory breakthrough

(PhysOrg.com) -- For the first time, scientists at IBM Research have demonstrated that a relatively new memory technology, known as phase-change memory (PCM), can reliably store multiple data bits per cell ...

Technology / Semiconductors

created Jun 30, 2011 | popularity 4.6 / 5 (29) | comments 1 | with audio podcast

University chemists devise means to stabilize explosive CL-20

(PhysOrg.com) -- University of Michigan colleagues Adam Matzger and Onas Bolto have devised a means for making the transport and use of the highly explosive material CL-20 more stable. They describe in their ...

Chemistry / Materials Science

created Sep 09, 2011 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast report

Scientists utilise breath and sweat to detect trapped humans

Molecules in their breath, sweat and skin have been used to detect humans in a simulation of a collapsed building, raising the prospect of portable sensors for use in real-life situations, such as the devastating aftermath ...

Chemistry / Analytical Chemistry

created Sep 11, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

World's first Content Addressable Memory stores data without using power

NEC Corporation and Tohoku University announced today the development of the world's first content addressable memory (CAM) that both maintains the same high operation speed and non-volatile operation as existing ...

Technology / Semiconductors

created Jun 13, 2011 | popularity 4.7 / 5 (13) | comments 7 | with audio podcast

A hint of frog in the air: Macrolides are volatile pheromones from Madagascar frogs

Amphibians are at home in water, but can they also sense volatile compounds in the air? “Indeed they can,” reports Stefan Schulz. Working with colleague Miguel Vences and Ph.D. students Dennis Poth ...

Chemistry / Biochemistry

created Jan 24, 2012 | popularity not rated yet | comments 0 | with audio podcast

New material could improve safety for first responders to chemical hazards

A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.

Nanotechnology / Nanomaterials

created May 01, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Plant body clock observed in tropical forest research

(PhysOrg.com) -- Predictions of the ground-level pollutant ozone will be more accurate in future according to research published today by environment scientists at research centres including the University of Birmingham in ...

Space & Earth / Earth Sciences

created Sep 26, 2011 | popularity not rated yet | comments 0 | with audio podcast

Solar storms could 'sandblast' the moon

(PhysOrg.com) -- Solar storms and associated Coronal Mass Ejections (CMEs) can significantly erode the lunar surface according to a new set of computer simulations by NASA scientists. In addition to removing ...

Space & Earth / Space Exploration

created Dec 06, 2011 | popularity 4.3 / 5 (3) | comments 3 | with audio podcast