Absolute vs. relative efficiency: How efficient are blue LEDs, actually?
The absolute internal quantum efficiency (IQE) of indium gallium nitride (InGaN) based blue light-emitting diodes (LEDs) at low temperatures is often assumed to be 100%. However, a new study from University of Illinois Urbana-Champaign Electrical and.....»»
Tracking plasma progression in a picosecond: Physicists develop ultra-fast laser method to study high-density plasmas
In a few picoseconds (trillionths of a second), a small, thin piece of copper momentarily becomes dense plasma, specifically a state called warm dense matter, warm being a relative term—the metal is nearly 200,000 degrees Fahrenheit. With the short.....»»
New standards and better technology are improving wireless EV charging
The speed, power density and efficiency of wireless charging are increasing at the same time engineers are finding ways to reduce weight. New standards aim to ensure charging works regardless of vehicle brand or equipment manufacturer......»»
ABB"s PixelPaint robot tackles paint shop efficiency with precision
Amid rising demand for two-tone roofs, manufacturing facilities use ABB's robot to streamline production and reduce costs......»»
Study sheds light on trade-off between noise and power in nanoscale heat engines
Thanks to nanoscale devices as small as human cells, researchers can create groundbreaking material properties, leading to smaller, faster, and more energy-efficient electronics. However, to fully unlock the potential of nanotechnology, addressing no.....»»
Ads featuring interracial couples produce mixed results for brands
A new paper co-written by a University of Illinois Urbana-Champaign scholar who studies how authenticity and aesthetics intersect with branding found that interracial couples featured in advertisements enhanced brand outcomes relative to white couple.....»»
Paleontologists find omnivorous ancestor of the giant panda, revealing it was not always just a bamboo eater
The Hammerschmiede fossil site in southern Germany has yielded finds from about 11.5 million years ago that have rewritten evolutionary history. The sole species of bear discovered to date at the site was a relative of the giant panda. Its diet, howe.....»»
Unveiling soil moisture patterns with advanced navigation tech
A pioneering method for soil moisture retrieval using satellite navigation systems has been introduced, significantly boosting the accuracy and efficiency of global data collection. The research, published in the journal Satellite Navigation, tackles.....»»
What is mini-LED TV? How smaller, brighter LEDs can deliver better picture quality
Mini-LED lighting is one of the reasons that TV you purchased is able to deliver such a detailed picture. Here’s everything you need to know about the tech!.....»»
Multifunctional phosphor developed for white LED lighting and optical thermometry
In the realm of lighting and temperature measurement, advancements in material science are paving the way for significant improvements in technology and safety. Traditional methods, which combine yellow phosphors with blue chips in LEDs, have limitat.....»»
Researchers identify novel approach to minimize nitrogen loss in crops
While agriculture producers apply nitrogen fertilizer to supply nutrients to their crops, they can't always keep those nutrients in the soil for maximum efficiency, often losing them into the atmosphere or water supply as nitrates and nitrous oxide......»»
Erbium-doped electrocatalyst enhances oxygen evolution reactions in acidic environments
A group of researchers has developed an electrocatalyst that promises to significantly enhance the efficiency and stability of oxygen evolution reactions (OER) in acidic environments. By incorporating a rare earth element, erbium (Er), into the commo.....»»
Watch Blue Origin’s cinematic ad for its thrilling space tourism ride
Blue Origin has shared a cinematic video showcasing its thrilling space tourism ride on the New Shepard rocket......»»
Researchers achieve efficient electro-oxidation of glycerol to formate under room temperature
Glycerol is a key byproduct of biodiesel fabrication, and its production has increased proportionally with the growth of biodiesel production. Glycerol electrooxidation is considered as an innovative strategy due to its low theoretical potential and.....»»
Catalyzing environmental cleanup: A highly active and selective molecular catalyst and electrified membrane
Some chemicals create environmental problems; others, fortunately, can help clean them up. Chemists from Yale University and their colleagues have developed an electrochemical catalyst and membrane that offers an efficient and sustainable way to trea.....»»
GM, Hyundai team up to slash costs of new vehicles and clean tech
The hope is for better products and more efficient companies. Enlarge / GM CEO Mary Barra (left) and Hyundai executive chair Euisun Chung (right) have agreed to have their companies collaborate. (credit: Hyundai Motor Group).....»»
Ford Pro CEO Ted Cannis to retire
Cannis has the commercial vehicle unit Ford created in 2021 on pace for $70 billion in revenue this year. Ford Blue CEO Andrew Frick will take over on an interim basis......»»
Boosting particle accelerator efficiency with AI, machine learning and automation
As particle accelerator technology moves into the high-luminosity era, the need for extreme precision and unprecedented collision energy keeps growing. Given also the Laboratory's desire to reduce energy consumption and costs, the design and operatio.....»»
Scientists cool positronium to near absolute zero for antimatter research
Most atoms are made from positively charged protons, neutral neutrons and negatively charged electrons. Positronium is an exotic atom composed of a single negative electron and a positively charged antimatter positron. It is naturally very short-live.....»»
Steering molecular twisting for hydrogen generation
Researchers from the Faculty of S&T at the University of Twente have developed a novel approach for the design of efficient solar fuel devices. Research performed by graduated Ph.D. student Kaijian Zhu shows that reducing the light-induced twisting o.....»»
Novel quantum dot hydrogel shows improved photothermal conversion efficiency
Biomolecules-based materials hold great promise for malignant tumor phototherapy. However, current supramolecular biomaterials primarily suffer from poor tissue penetration, inadequate tumor accumulation, and particularly neglecting the unique benefi.....»»