News tagged with magnetic energy

A new way to discover pulsars

(Phys.org) -- The Large Area Telescope (LAT), built by SLAC for the Fermi Gamma-ray Space Telescope, collects information on high-energy gamma rays from numerous sources in the sky. Among these are small, ...

Space & Earth / Astronomy

created May 22, 2012 | popularity 5 / 5 (6) | comments 1 | with audio podcast

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

Physics / General Physics

created May 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

IBEX and TWINS join forces to observe a solar storm

(Phys.org) -- On April 5, 2010, the sun spewed a two million-mile-per-hour stream of charged particles toward the invisible magnetic fields surrounding Earth, known as the magnetosphere. As the particles interacted ...

Space & Earth / Space Exploration

created Apr 12, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Clean energy could lead to scarce materials

As the world moves toward greater use of low-carbon and zero-carbon energy sources, a possible bottleneck looms, according to a new MIT study: the supply of certain metals needed for key clean-energy technologies.

Space & Earth / Environment

created Apr 09, 2012 | popularity 3.9 / 5 (8) | comments 25 | with audio podcast

Rare earth metals: Another challenge for the green economy?

If you follow the clean energy dialogue, then you may have encountered discussions about the role of rare earth metals at some point in the last year or two. If not, read on, because rare earths should not ...

Technology / Energy & Green Tech

created Apr 03, 2012 | popularity not rated yet | comments 1

Space Image: Sunspots and solar flares

(PhysOrg.com) -- NASA's Solar Dynamics Observatory (SDO) captured this image of an M7.9 class flare on March 13, 2012 at 1:29 p.m. EDT. It is shown here in the 131 Angstrom wavelength, a wavelength particularly ...

Space & Earth / Space Exploration

created Mar 21, 2012 | popularity 5 / 5 (3) | comments 0

Nuclear fusion simulation shows high-gain energy output

(PhysOrg.com) -- High-gain nuclear fusion could be achieved in a preheated cylindrical container immersed in strong magnetic fields, according to a series of computer simulations performed at Sandia National ...

Physics / General Physics

created Mar 20, 2012 | popularity 4.8 / 5 (43) | comments 120 | with audio podcast

Solar storms join floods, terrorism as risks to UK

(AP) -- Britain has added volcanoes and solar storms to floods, flu and terrorism on a list of threats to national security.

Space & Earth / Environment

created Mar 18, 2012 | popularity 5 / 5 (2) | comments 0

Artificially structured metamaterials may boost wireless power transfer

Scientists calculate that a "perfect lens," a slab of artificial material engineered to focus electromagnetic fields in ways that natural materials can't, may increase the efficiency of some wireless power transfer systems.

Physics / General Physics

created Mar 13, 2012 | popularity 4.5 / 5 (8) | comments 7 | with audio podcast

New method to examine batteries -- MRI from the inside

There is an ever-increasing need for advanced batteries for portable electronics, such as phones, cameras, and music players, but also to power electric vehicles and to facilitate the distribution and storage of energy derived ...

Chemistry / Analytical Chemistry

created Feb 12, 2012 | popularity 4.5 / 5 (10) | comments 0 | with audio podcast

Physicists 'record' magnetic breakthrough

An international team of scientists has demonstrated a revolutionary new way of magnetic recording which will allow information to be processed hundreds of times faster than by current hard drive technology.

Physics / General Physics

created Feb 07, 2012 | popularity 4.5 / 5 (46) | comments 15 | with audio podcast

When worlds collide: Researchers harness supercomputers to understand solar storm, magnetosphere

If the sun is anything, it is reassuring. It rises, sets, and rises again, allowing us to grow crops, get tan, and power homes, just to name a few of humanity's most important life-sustaining functions. No ...

Space & Earth / Space Exploration

created Feb 07, 2012 | popularity 3 / 5 (1) | comments 6 | with audio podcast

Scientists chart high-precision map of Milky Way's magnetic fields

(PhysOrg.com) -- Scientists at the Naval Research Laboratory (NRL) are part of an international team that has pooled their radio observations into a database, producing the highest precision map to date of ...

Space & Earth / Astronomy

created Feb 03, 2012 | popularity 4.6 / 5 (11) | comments 9 | with audio podcast

Earth's energy budget remained out of balance despite unusually low solar activity

(PhysOrg.com) -- A new NASA study underscores the fact that greenhouse gases generated by human activity -- not changes in solar activity -- are the primary force driving global warming.

Space & Earth / Earth Sciences

created Jan 30, 2012 | popularity 4.1 / 5 (13) | comments 26 | with audio podcast

NASA Goddard spacecraft cleanroom goes green

When it launches in 2014, NASA's new Magnetospheric Multiscale (MMS) mission will give scientists unprecedented insights into a little-understood physical process at the heart all space weather. This process, ...

Space & Earth / Space Exploration

created Jan 14, 2012 | popularity 3 / 5 (4) | comments 0