One sip of a perfectly poured glass of wine leads to an explosion of flavours in your mouth. Researchers at Aarhus University, Denmark, have now developed a nanosensor that can mimic what happens in your mouth when you drink wine. The sensor measures how you experience the sensation of dryness in the wine.
"Nature has developed, very cleverly, some lessons on how to create the features that we desire in optical design," said Joseph Shaw, director of the Optical Technology Center at Montana State University. "As we explore surfaces and structures at the nanoscale, we'll discover them."
The quest to create artificial “squid skin” — camouflaging metamaterials that can “see” colors and automatically blend into the background — is one step closer to reality, thanks to a breakthrough color-display technology unveiled this week by Rice University’s Laboratory for Nanophotonics (LANP).
Plasmonic nanophotonics and two dimensional materials are hot topics for recent optics and condensed mater physics. How to combine surface plasmon and plat 2D materials, such as graphene and MoS2, and realize excitation light active control of material opto-electronic properties, is very important for the future application.
In electronics, changing the path of electrons and manipulating how they flow is as easy as applying a magnetic field.
A record-setting X-ray microscopy experiment may have ushered in a new era for nanoscale imaging. Working at the U.S. Department of Energy (DOE)’s Lawrence Berkeley National Laboratory (Berkeley Lab), a collaboration of researchers used low energy or “soft” X-rays to image structures only five nanometers in size.
In our vain human struggle to kill flies, our hands and swatters often come up lacking. This is due to no fault of our own, but rather to flies' compound eyes. Arranged in a hexagonal, convex pattern, compound eyes consist of hundreds of optical units called ommatidia, which together bestow upon flies a nearly 360-degree field of vision.
Unlike electronic circuits, optical, or "photonic", circuits work with light rather than electricity, which makes them 10 to 100 times faster. They are also more energy-efficient because they show lower heat loss, better signal-to-noise ratios and are less susceptible to interference. Used especially for communications (e.g. fiber optics), optical circuits may use tiny optical cavities as 'switches' that can block or allow the flow of light, similarly to transistors in electronics.
A new combination of materials can efficiently guide electricity and light along the same tiny wire, a finding that could be a step towards building computer chips capable of transporting digital information at the speed of light.
An innovative synthesis method developed by a group of researchers at the University of Maryland (UMD) allows creating hybrid nanostructures by joining different nanoparticles using an ‘intermedium’ or connector nanoparticle.
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