Stretching-insensitive stretchable and biocompatible triboelectric nanogenerators
Professor Juhyuk Lee of the Department of Energy Engineering has developed an elastic triboelectric generator that can be used in the daily lives of frequent movers. The cause of the output reduction of the elastic triboelectric sensor was identified.....»»
1-year Sam"s Club membership for $20 & take the pain out of holiday shopping
The price of groceries is stretching budgets to the limit, but buying goods in bulk almost always helps save a few precious dollars, especially when feeding a family. Luckily, this $20 Sam's Club membership deal can save you big bucks this holiday se.....»»
Measuring mechanical stresses and strains in graphene-based supercapacitor electrodes
Texas A&M University researchers have discovered that when charging a supercapacitor, it stores energy and responds by stretching and expanding. This finding can be used to design new materials for flexible electronics or other devices that must be b.....»»
Dev sets up “goatse” trap for sites that steal his free web game
Thieving iFrame sites now say: "I steal other people’s code because I’m a total hack." Enlarge / Is this "evocative" header image stretching the limits of good taste? (credit: Aurich Lawson | Getty Images) Here at Ar.....»»
Soft, living materials made with algae glow under stress
A team of researchers led by the University of California San Diego has developed soft yet durable materials that glow in response to mechanical stress, such as compression, stretching or twisting. The materials derive their luminescence from single-.....»»
Tribotronics: Promising prospects in the development of new functional devices and self-powered microsystems
Formed by the coupling effect of contact electrification and electrostatic induction, triboelectric nanogenerators (TENG) effectively convert the most widely distributed micro-nano energy in our environment, including human motion, breeze, vibration,.....»»
Topdon TCView TC002 review: Disappointing take on a thermal camera
The Topdon TCView TC002 infrared camera promises to extend the iPhone's light-collecting capabilities by stretching into the infrared portion of the spectrum, but it's not a good choice.The Topdon TCView TC002 Review.Thermal cameras are priceless too.....»»
"Ring of fire" solar eclipse will cut across the Americas, stretching from Oregon to Brazil
A rare "ring of fire" eclipse of the sun cuts across the Americas on Saturday, stretching from Oregon to Brazil......»»
Researchers use liquid metal and laser ablation to create stretchable miniature antennas
Researchers have developed a new method for making tiny stretchable antennas from a hydrogel and liquid metal. The antennas could be used in wearable and flexible wireless electronic devices to provide a link between the device and external systems f.....»»
Stretching the truth: New research reveals negative effects of exaggerative political statements
Justifying policies through unsubstantiated or slightly invalid arguments can have a significantly negative effect on the public opinion of politicians, according to new research from City, University of London......»»
The physics of saltwater taffy
Air bubbles, oil droplets are the primary factors, plus emulsifiers for extra chewiness Enlarge / Saltwater taffy is made by stretching and pulling the sticky candy base to create air bubbles for a fluffy and chewy confection. (c.....»»
Team develops novel sponge-based triboelectric nanogenerator for corrosion protection in transportation systems
Corrosion causes significant losses to various industries. Cathodic protection is used to protect steel in marine industries. Triboelectric nanogenerators (TENG) converts mechanical energy into electricity based on triboelectrification and electrosta.....»»
Observation of autonomous crack healing in metal confirms 2013 prediction
A microscopic crack grew in a very small piece of platinum when placed under repetitive stretching. The experiment, designed to study fatigue crack growth, continued as predicted for a while before something unexpected happened. The crack stopped gro.....»»
Greek fires rage unabated for a week
Greek firefighters struggled on Friday to contain scores of blazes stretching nationwide—the largest fires in the European Union this year......»»
Chemists develop unique design for tough but stretchable gels
Chenfeng Ke, an incoming associate professor of chemistry in Arts & Sciences at Washington University in St. Louis, developed a unique design for tough but stretchable hydrogels, reported Aug. 23 in the journal Chem. The new material is both flexible.....»»
Enhancing image quality with broadband achromatic and polarization-insensitive metalenses
Precise control of light is a crucial requirement in optical imaging, sensing, and communication. Traditional lenses employed for the purpose have limitations, necessitating more precise and compact solutions. To address this need, researchers have d.....»»
Greece facing 40C weekend while record US heat wave set to expand
Greece was Saturday facing its hottest July weekend in 50 years, with temperatures forecast to soar above 40 Celsius (104 Fahrenheit), while a record-breaking heat wave stretching across the southern United States was expected to expand in the coming.....»»
Record-breaking heat wave baking southern US set to expand
A record-breaking heat wave stretching across the southern United States is expected to expand in the coming days and weeks, as scientists warn July will likely be the hottest month ever recorded......»»
SpaceX is stretching the lifetime of its reusable Falcon 9 boosters
Each Falcon 9 booster could fly twice as many times as originally intended. Enlarge / A Falcon 9 rocket streaks into the sky over Cape Canaveral, Florida, on a mission Sunday night to deploy 22 more Starlink internet satellites......»»
Scientists have finally "heard" the chorus of gravitational waves that ripple through the universe
Scientists have observed for the first time the faint ripples caused by the motion of black holes that are gently stretching and squeezing everything in the universe......»»
A neutrino portrait of our galaxy reveals high-energy particles from within the Milky Way
Our Milky Way galaxy is an awe-inspiring feature of the night sky, viewable with the naked eye as a hazy band of stars stretching from horizon to horizon......»»