The next generation of light-manipulating networks may take their lead from designs inspired by spiders and leaves, according to a new report from two Boston College physicists and colleagues at South China Normal University.
A Kansas State University engineering team has...
In a development that could lead to a deeper understanding of cancer and better early-stage...
Hydrogen fuel is a promising source of clean energy that can be produced by splitting water into hydrogen and oxygen gas. The reaction is difficult but achievable with the help of a catalyst. However, current catalysts lack the efficiency required for water splitting to be commercially competitive. Recently, however, scientists have identified one such catalyst, iron-doped nickel oxide.
Four pulses of laser light on nanoparticle photocells in a spectroscopy experiment has opened a window on how captured sunlight can be converted into electricity. The work, which potentially could inspire devices with improved efficiency in solar energy conversion, was performed on photocells that used lead-sulfide quantum dots as photoactive semiconductor material.
A team at Cornell University has made a breakthrough in that direction with a room-temperature magnetoelectric memory device. Equivalent to one computer bit, it exhibits the holy grail of next-generation nonvolatile memory: magnetic switchability, in two steps, with nothing but an electric field.
Researchers at Swinburne University of Technology have discovered an instability in gold nanoparticles that is critical for their application in future technology. Gold nanorods are important building blocks for future applications in solar cells, cancer therapy and optical circuitry.
A team from the University of Arizona and eight Southwestern electric utility companies has built a pioneering web portal that provides insight into renewable energy sources and how they contribute to the region’s electricity grid.
Researchers have begun to describe theoretical limits on the degree of imprecision that communicating computers can tolerate, with very real implications for the design of communication protocols.
An international team of physicists and chemists based at UC Berkeley has, for the first time, taken snapshots of this ephemeral event using attosecond pulses of soft X-ray light lasting only a few billionths of a billionth of a second.
A new method that creates large-area patterns of three-dimensional nanoshapes from metal sheets represents a potential manufacturing system to inexpensively mass produce innovations such as "plasmonic metamaterials" for advanced technologies.
In a triumph for cell biology, researchers have assembled the first high-resolution, 3-D maps of entire folded genomes and found a structural basis for gene regulation -- a kind of "genomic origami" that allows the same genome to produce different types of cells.
A walking molecule, so small that it cannot be observed directly with a microscope, has been recorded taking its first nanometer-sized steps. It's the first time that anyone has shown in real time that such a tiny object – termed a "small molecule walker" – has taken a series of steps.
Researchers have devised a way to replace the knee’s protective lining, called the meniscus, using a personalized 3D-printed implant, or scaffold, infused with human growth factors that prompt the body to regenerate the lining on its own. The therapy, successfully tested in sheep, could provide the first effective and long-lasting repair of damaged menisci.
Researchers have developed a new “high-entropy” metal alloy that has a higher strength-to-weight ratio than any other existing metal material. High-entropy alloys are materials that consist of five or more metals in approximately equal amounts.
Engineers at the University of California, San Diego have demonstrated a new and more efficient way to trap light, using a phenomenon called bound states in the continuum (BIC) that was first proposed in the early days of quantum wave mechanics.
The discovery of a new form of ice could lead to an improved understanding of our planet’s geology, potentially helping to unlock new solutions in the production, transportation and storage of energy. Ice XVI, the least dense of all known forms of ice, has a highly symmetric cage-like structure that can trap gaseous molecules to form compounds known as clathrates or gas hydrates.
Malaria parasites invade human red blood cells, which they bring to burst and infect others. Researchers at the University of Basel and the Swiss Tropical and Public Health Institute called nano imitations of host cell membranes have developed that deceive and trick the pathogen. This could lead to novel therapeutic and vaccine strategies against malaria and other infectious diseases.
As part of a project demonstrating new 3-D printing techniques, Princeton researchers have embedded tiny light-emitting diodes into a standard contact lens, allowing the device to project beams of colored light. The lens is not designed for actual use, though. Instead, the team created the device to demonstrate the ability to 3-D print electronics into complex shapes and materials.
Researchers at Rice University have created flexible, patterned sheets of multilayer graphene from a cheap polymer by burning it with a computer-controlled laser. The process works in air at room temperature and eliminates the need for hot furnaces and controlled environments, and it makes graphene that may be suitable for electronics or energy storage.
Precious elements such as platinum work well as catalysts in chemical reactions, but require large amounts of metal and can be expensive. However, computational modeling below the nanoscale level may allow researchers to design more efficient and affordable catalysts from gold.
Off the West Coast of the United States, methane gas is trapped in frozen layers below the seafloor. New research from the University of Washington shows that water at intermediate depths is warming enough to cause these carbon deposits to melt, releasing methane into the sediments and surrounding water.
Hydrogen could be an important source of clean energy, and the cleanest way to produce hydrogen gas is to split water into hydrogen and oxygen. But the catalyst currently used to facilitate this water-splitting reaction is platinum. And that’s a problem.
It may be possible to develop a simple blood test that, by detecting changes in the zinc in our bodies, could help to diagnose breast cancer early.
The Homestake Mine, a played-out gold mine in Lead, S.D., that has been converted into a warren of underground chambers housing physics experiments that need to be shielded from cosmic radiation. One of these experiments is the Lux detector, designed to detect WIMPs (weakly interacting massive particles).
Researchers at the University of Pennsylvania have now shown an important commonality that seems to extend through the range of glassy materials. They have demonstrated that the scaling between a glassy material’s stiffness and strength remains unchanged, implying a constant critical strain that these materials can withstand before catastrophic failure.
Purdue Univ. announced that GE Global Research will invest up to $10 million in a five-year partnership focused on R&D in advanced manufacturing. The GE/Purdue Partnership in Research and Innovation in Advanced Manufacturing will push a new era in manufacturing, promoting technologies that enable the digitization, decentralization and democratization of manufacturing to lower cost, improve speed and drive innovation.
Yale Univ. engineer Jan Schroers will lead a three-year, $1.2 million project intended to dramatically accelerate the pace of discovering and characterizing bulk metallic glasses (BMGs), a versatile type of pliable glass that’s stronger than steel. The grant will enable Schroers’ team to screen more than 3,000 potential BMG alloys in a week, a vast improvement over traditional methods.
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