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News tagged with junctions

Nanotube 'sponge' has potential in oil spill cleanup

(Phys.org) -- A carbon nanotube sponge that can soak up oil in water with unparalleled efficiency has been developed with help from computational simulations performed at the Department of Energy's (DOE's) ...

Nanotechnology / Nanomaterials

created May 10, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers demonstrate new way to control nonvolatile magnetic memory devices

(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.

Physics / General Physics

created May 07, 2012 | popularity not rated yet | comments 1 | with audio podcast

Long predicted but never observed: A new kind of quantum junction

A new type of quantum bit called a "phase-slip qubit", devised by researchers at the RIKEN Advanced Science Institute and their collaborators, has enabled the world's first-ever experimental demonstration ...

Physics / Superconductivity

created Apr 18, 2012 | popularity 4.9 / 5 (12) | comments 3 | with audio podcast

New record voltage for organic solar cells opens the tech to consumer electronics

Molecular Solar Ltd, a spinout company from the University of Warwick, has achieved a significant breakthrough in the performance of solar photovoltaic (PV) cells. They have achieved and demonstrated a record ...

Technology / Energy & Green Tech

created Oct 17, 2011 | popularity 4.1 / 5 (12) | comments 7 | with audio podcast

Scientists observe how superconducting nanowires lose resistance-free state

Even with today's invisibility cloaks, people can't walk through walls. But, when paired together, millions of electrons can.

Physics / Superconductivity

created Sep 22, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Einstein's theory applied to superconducting circuits

In recent years, UC Santa Barbara scientists showed that they could reproduce a basic superconductor using Einstein's general theory of relativity. Now, using the same theory, they have demonstrated that the Josephson junction ...

Physics / Superconductivity

created Jun 10, 2011 | popularity 4.4 / 5 (9) | comments 16 | with audio podcast

Physicists measure current-induced torque in nonvolatile magnetic memory devices

(PhysOrg.com) -- Tomorrow's nonvolatile memory devices – computer memory that can retain stored information even when not powered – will profoundly change electronics, and Cornell University researchers ...

Physics / General Physics

created Mar 09, 2011 | popularity 4.5 / 5 (4) | comments 2 | with audio podcast

Researchers use spin waves to measure magnetic polarization of electrical current

In the hard drive industry, the rapid growth of storage density has been propelled in part by developments in the sensors used to read the magnetic "bits" on the disk. Recently, the use of giant magnetoresistance (GMR) in ...

Physics / General Physics

created Mar 08, 2011 | popularity 4.3 / 5 (3) | comments 0

Researchers discover that stem cell marker regulates synapse formation

Among stem cell biologists there are few better-known proteins than nestin, whose very presence in an immature cell identifies it as a "stem cell," such as a neural stem cell. As helpful as this is to researchers, ...

Medicine & Health / Neuroscience

created Jan 30, 2011 | popularity 4.8 / 5 (11) | comments 5 | with audio podcast

Boosting supply of key brain chemical reduces fatigue in mice

Researchers at Vanderbilt University have "engineered" a mouse that can run on a treadmill twice as long as a normal mouse by increasing its supply of acetylcholine, the neurotransmitter essential for muscle contraction.

Medicine & Health / Neuroscience

created Dec 20, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Defective protein is a double hit for ataxia

The neurodegenerative disease spinocerebellar ataxia type 5 (SCA5) damages nerve cells in two ways. University of Minnesota researchers now report that the defective protein responsible for the disease cuts ...

Medicine & Health / Medical research

created Apr 05, 2010 | popularity 5 / 5 (1) | comments 0

Stem cells rescue nerve cells by direct contact

Scientists at the Swedish medical university Karolinska Institutet have shown how transplanted stem cells can connect with and rescue threatened neurons and brain tissue. The results point the way to new possible treatments ...

Medicine & Health / Medical research

created Feb 01, 2010 | popularity 5 / 5 (1) | comments 0

Snake bite: Prevention is best but antivenom treatment must also be improved

Around 5.5 million people are bitten by snakes each year, resulting in some 400,000 amputations and between 20,000 and 125,000 deaths. Despite this, the burden of human suffering caused by snake bite remains largely invisible ...

Medicine & Health / Other

created Jan 01, 2010 | popularity not rated yet | comments 0

Scientists discover mechanism behind superinsulation

(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory have discovered the microscopic mechanism behind the phenomenon of superinsulation, the ability of certain materials ...

Physics / General Physics

created Dec 14, 2009 | popularity 5 / 5 (12) | comments 14

Toshiba develops essential technology for spintronics-based MOS field-effect transistor

(PhysOrg.com) -- Toshiba Corporation today announced that it has developed MOSFET cell based on spin transport electronics, or spintronics, an advanced semiconductor technology that makes use of the spin and ...

Technology / Semiconductors

created Dec 09, 2009 | popularity 4.6 / 5 (12) | comments 1