Lightning harnessed to protect grid components
The foes of power grids everywhere, lightning and other high voltage currents now can help utilities track the health of components throughout their systems.
Innovative wideband ring voltage-controlled oscillator (VCO)
A new wideband ring voltage-controlled oscillator (VOC) was proposed by UNIST undergraduate student, Seyeon Yoo with the the research work published in IEEE Microwave and Wireless Components Letters.
New connection between stacked solar cells can handle energy of 70,000 suns
(Phys.org) —North Carolina State University researchers have come up with a new technique for improving the connections between stacked solar cells, which should improve the overall efficiency of solar ...
First hardware from South Africa delivered to ATLAS detector at CERN
Physicists from the University of the Witwatersrand in Johannesburg have reached an important milestone and have made the first South African contribution of a "piece of hardware" to the ATLAS Experiment ...
Gel-based audio speaker demonstrates capabilities of ionic conductors, long thought limited in application (w/ Video)
In a materials science laboratory at Harvard University, a transparent disk connected to a laptop fills the room with music—it's the "Morning" prelude from Peer Gynt, played on an ionic speaker.
Tunnel FET having a new architecture with potential for substantial improvement in performance
Researchers from the National Institute of Advanced Industrial Science and Technology (AIST) have demonstrated the operation of a synthetic electric field tunnel field-effect transistor with a new architecture.
The most accurate million-volt measurement carried out in High Voltage Laboratory
Researchers have developed a mobile million-volt DC voltage divider, coordinated by the Finnish centre for metrology and accreditation, MIKES.
Designer droplets with 'pupils' open a world of possibilities
(Phys.org) —Researchers have designed droplets using a technique that could have applications for everything from extracting oil from wells to creating makeup and food.
Toward tinier transistors
(Phys.org) —The foundation of many, many modern electronic devices – including computers, smart phones, and televisions – is the silicon transistor. However, the shrinking of consumer electronics is ...
Student's flashlight works by body heat, not batteries
Extreme insulating-to-conducting nanowires promise novel applications
(Phys.org) —Scientists are just beginning to discover and investigate materials that can change from insulators to conductors at room temperature under an applied voltage. There are only a few known examples, ...
Sound waves precisely position nanowires
(Phys.org) —The smaller components become, the more difficult it is to create patterns in an economical and reproducible way, according to an interdisciplinary team of Penn State researchers who, using ...
Hair sensor uncovers hidden signals
An "artificial cricket hair" used as a sensitive flow sensor has difficulty detecting weak, low-frequency signals – they tend to be drowned out by noise. But now, a bit of clever tinkering with the flexibility ...
Stretchable, transparent graphene-metal nanowire electrode
A hybrid transparent and stretchable electrode could open the new way for flexible displays, solar cells, and even electronic devices fitted on a curvature substrate such as soft eye contact lenses, by the ...