Hybrid energy harvester generates electricity from vibrations and sunlight
Flexible, semitransparent power source made with novel comb-teeth structure
Ex nihilo: Dynamical Casimir effect in metamaterial converts vacuum fluctuations into real photons
Stacking 2-D materials produces surprising results
(Phys.org) —Graphene has dazzled scientists, ever since its discovery more than a decade ago, with its unequalled electronic properties, its strength and its light weight. But one long-sought goal has proved ...
Moth-inspired nanostructures take the color out of thin films
Inspired by the structure of moth eyes, researchers at North Carolina State University have developed nanostructures that limit reflection at the interfaces where two thin films meet, suppressing the "thin-film ...
Researchers develop metamaterials able to control spread of light
Portable nanodevice provides rapid, accurate diagnosis of tuberculosis, other bacterial infections
A handheld diagnostic device that Massachusetts General Hospital (MGH) investigators first developed to diagnose cancer has been adapted to rapidly diagnose tuberculosis (TB) and other important infectious ...
Dual-color lasers could lead to cheap and efficient LED lighting
(Phys.org) —A new semiconductor device capable of emitting two distinct colours has been created by a group of researchers in the US, potentially opening up the possibility of using light emitting diodes (LEDs) universally ...
How graphene and friends could harness the Sun's energy
(Phys.org) —Combining wonder material graphene with other stunning one-atom thick materials could create the next generation of solar cells and optoelectronic devices, scientists have revealed.
Unleashing oxygen: 'Superlattice' structure could give a huge boost to oxygen reaction in fuel cells
New research at MIT could dramatically improve the efficiency of fuel cells, which are considered a promising alternative to batteries for powering everything from electronic devices to cars and homes.
Researchers create design for nanometer-scale material that can speed up, squeeze light
(Phys.org) —In a process one researcher compares to squeezing an elephant through a pinhole, researchers at Missouri University of Science and Technology have designed a way to engineer atoms capable of ...
Morphees: Shape-shifting mobile devices (w/ Video)
Prototype mobile devices that can change shape on-demand will be unveiled today and could lay down the foundation for creating high shape resolution devices of the future.
Turtles make the right moves via remote control (w/ Video)
Physicists find right (and left) solution for on-chip optics
(Phys.org) —A Harvard-led team of researchers has created a new type of nanoscale device that converts an optical signal into waves that travel along a metal surface. Significantly, the device can recognize ...