Global Nano Awards

When you hear the term "nanotechnology," what image comes to mind? A medically enhanced athlete capable of superhuman feats? A Michael Crichton-esque horror show of swarming, self-replicating nanobots, as depicted in his 2002 novel "Prey"? As Paul Youngman, professor of German at Washington and Lee University, and student researchers Matthew Bittner and Curtis Correll learned this summer, your perception of nanotechnology—the manipulation of extremely small particles to make materials and machines—may depend on where you live. "Nanotechnology is an emerging science that we don't completely have a handle on, and our premise is always that science is never divorced from the larger culture at hand," said Youngman. "What we're doing is analyzing the cultural reception of nanotechnology as it exists right now. It's a comparative study between German and U.S. reception." Rhetoric and public perception affect how nanotechnology is funded an...

Here is another installment of our collection of amazing images from nanotechnology labs from all over the world. You can find other nanotechnology images here. Visualization methods provide an important tool in materials science for the analysis and presentation of scientific work. Images can often convey information in a way that tables of data or equations cannot match. Occasionally, scientific images transcend their role as a medium for transmitting information, and contain the aesthetic qualities that transform them into objects of beauty and art. As a special feature of recent MRS Meetings, the MRS has offered the popular Science as Art competitions, with entry open to all registered meeting attendees. The images below represent the winners of the 2013 MRS Spring Meeting Science as Art competition. "Hedgehog" Particles – particles with nano-scale corrugation are sculpted by interfacial growth of rigid ZnO nanowires on polymeric microspheres. (Image courtesy of the Mat...

  Using conventional testing techniques, it can be challenging—sometimes impossible—to detect harmful contaminants such as nano-plastics, air pollutants and microbes in living organisms and natural materials. These contaminants are sometimes found in such tiny quantities that tests are unable to reliably pick them up. This may soon change, however. Emerging nanotechnology (based on a "twisted" state of light) promises to make it easier to identify the chemical composition of impurities and their geometrical shape in samples of air, liquid and live tissue. An international team of scientists led by physicists at the University of Bath is contributing toward this technology, which may pave the way to new environmental monitoring methods and advanced medicines. Their work is published in the journal Advanced Materials. The emerging chemical-detection technique is based on a light-matter interaction known as the Raman effect. The Raman effect occurs when a material that is illumi...

(Nanowerk News) Researchers at Tokyo Metropolitan University have successfully developed multi-layered nanostructures of transition metal dichalcogenides (TMDCs) that form in-plane junctions. By growing multi-layered molybdenum disulfide structures from the edge of niobium-doped molybdenum disulfide shards, the scientists created a robust, bonded, planar heterostructure. They demonstrated that these structures could be used to create new tunnel field-effect transistors (TFETs), which are components in integrated circuits with ultra-low power consumption. The research has been published in ACS Nano ("Multilayer In-Plane Heterostructures Based on Transition Metal Dichalcogenides for Advanced Electronics"). Field-effect transistors (FETs) are essential components in nearly all digital circuits, controlling the flow of current depending on the applied voltage. Although metal oxide semiconductor FETs (MOSFETs) currently dominate the market, researchers are searching for next-gener...

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