University of Utah researchers built "spintronic" transistors and used them to align the magnetic "spins" of electrons for a record period of time in silicon chips at room temperature. The study is a step toward computers, phones and other spintronic devices that are faster and use less energy than their electronic counterparts.
A team of electrical engineers and chemists at Lehigh University have experimentally verified the "rainbow" trapping effect, demonstrating that plasmonic structures can slow down light waves over a broad range of wavelengths.
A faster, better and cheaper desalination process enhanced by carbon nanotubes has been developed by NJIT Professor Somenath Mitra. The process creates a unique new architecture for the membrane distillation process by immobilizing carbon nanotubes in the membrane pores. Conventional approaches to desalination are thermal distillation and reverse osmosis.
Chemists at the University of California, Riverside have developed tiny, nanoscale-size rods of iron oxide particles in the lab that respond to an external magnetic field in a way that could dramatically improve how visual information is displayed in the future.
Processes at the atomic level are not only miniscule; they are often extremely fast and therefore, difficult to capture in action. But now, German scientists together with U.S. colleagues present techniques that take us a good step closer to producing an 'atomic movie'.
There have been gloves and shavers for one-off use for a long time. In future, there will also be disposable endoscopes for minimally invasive operations on the human body. A new microcamera is what makes it possible. It is as large as a grain of salt, supplies razor-sharp pictures and can be manufactured very inexpensively.
Magnetic vortices show promise as data storage structures, however the vortex formation process imposes a lower limit on the element's size. Here, a technique is presented, which application increases the probability of nucleating of magnetic vortices in sub-micrometer sized soft magnetic thin film elements.
A two-year-old Air Force Office of Scientific Research Multidisciplinary University Research Initiative effort involving the University of Michigan, Stanford University, Brown University, and the University of California at Santa Cruz is making great strides in achieving a fundamental understanding of heat transfer at interfaces.
Physicists of the Laboratory of Attosecond Physics at the Max Planck Institute of Quantum Optics succeeded in the first real-time observation of laser produced electron plasma waves and electron bunches accelerated by them.
From childhood sweetheart to quantum electrodynamics, the life and scientific contributions of the legendary Richard Feynman, a physicist of mythic hero status, are given a new and stimulating perspective in a book by Arizona State University professor Lawrence M. Krauss.
Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have designed a new composite material for hydrogen storage consisting of nanoparticles of magnesium metal sprinkled through a matrix of polymethyl methacrylate, a polymer related to Plexiglas. This pliable nanocomposite rapidly absorbs and releases hydrogen at modest temperatures without oxidizing the metal after cycling - a major breakthrough in materials design for hydrogen storage, batteries and fuel cells.
The Science Foundation Ireland funded centre CRANN has launched its public report for 2009-2010. The report highlights that CRANN, a Trinity College Dublin Institute founded in 2004, has continued to establish itself as a national and international force in nanoscience and nanotechnology research and collaborative industry engagement.
In a new, free-access paper in PloS one, researchers propose to take advantage of the rapid improvements in commercial CMOS sensors and microscopic optics driven by the cell-phone industry to develop two common biomedical devices, namely a microscope and spectrometer, that are available as simple and inexpensive add-ons to a commercial cell phone camera like Apple's iPhone.
When unfolding a tent for the first time, you may wonder how the huge tarpaulin fits into a bag the size of a football. Biologists wonder about something similar: when a cell divides, the surface area of the cell membrane grows. Moreover, when molecules are brought from one organelle to another inside the cell, membrane-enclosed transport vesicles are formed. So that membranes can be made available quickly, they are stored within the cells in the form of nanotubes, tubular membrane structures - similarly to a tarpaulin that has been folded together.