A catalyst for electronically controlled C–H functionalization
The Chirik Group at the Princeton Department of Chemistry is chipping away at one of the great challenges of metal-catalyzed C–H functionalization with a new method that uses a cobalt catalyst to differentiate between bonds in fluoroarenes, functio.....»»
Samba de Amigo: Party Central review: motion-controlled nostalgia, with a catch
Samba de Amigo: Party Central is dragged down by unreliable motion controls, but that doesn't shut down a fun rhythm party full of eclectic tunes......»»
Research team enhances hydrogen evolution catalyst through stepwise deposition
In order to enhance the accessibility of hydrogen-powered vehicles and establish hydrogen as a viable energy source, it's imperative to reduce the cost of hydrogen production, thereby achieving economic feasibility. To achieve this goal, maximizing t.....»»
Rack-mounted Mac mini power problem solved by remote servos
A hardware hacker has solved a problem of powering on 16 Mac minis in a rack, by using a Raspberry Pi to physically press each power switch.A Raspberry Pi-controlled Mac mini server rack [X/@merocle]The Mac mini has been used in the past as a compact.....»»
Researchers design efficient iridium catalyst for hydrogen generation
The energy demands of the world are ever increasing. In our quest for clean and eco-friendly energy solutions, transportable hydrogen energy offers considerable promise. In this regard, proton exchange membrane water electrolyzers (PEMWEs) that conve.....»»
EPA clears Washington state to do more controlled burns to prevent wildfires
Washington firefighters now have more planning time and a longer season to ignite the controlled burns they use to prevent massive wildfires threatening landscapes and homes and blanketing the state in choking smoke......»»
The TV streaming apps broke their promises, and now they’re jacking up prices
Op-ed: Apps promised to free us from ad-supported subscription bundles. Oops! Enlarge (credit: Aurich Lawson | Getty Images) This week, Disney+ and the Disney-controlled Hulu became the latest streaming video services t.....»»
Researchers visualize novel catalyst at work
A novel catalysis scheme enables chemical reactions that were previously virtually impossible. A method developed at the University of Bonn is also environmentally friendly and does not require rare and precious metals......»»
New calcium material functions as an ammonia synthesis catalyst
Researchers find calcium outshines chromium in the catalytic production of ammonia. Working together, a humble trio of calcium atoms have defied expectations to break apart one of the strongest chemical bonds known. The atoms form the key part of a c.....»»
Blue light: An on-off switch for enzymes
Light affects living organisms in many different ways, for example, plants orient their growth direction towards the sun, while circadian rhythms in humans are controlled by daylight. These processes always involve photoreceptors, which are proteins.....»»
A flawless Cygnus launch brings eras to a close
A once-perfect example of US-Russian space collaboration now highlights its loss. Enlarge (credit: NASA) WALLOPS ISLAND, Va.—I had been told that rocket launches are a physical experience, that the carefully controlled.....»»
Researchers formulate controlled delivery of micronutrients to promote plant growth
Improvements in crop productivity and nutritional value are needed to meet increased global demand for food in terms of both quantity and quality. A strategy being investigated by KAUST researchers to address the issue is the controlled delivery of b.....»»
What are cloudbursts and is climate change making them more frequent?
Last Saturday, Mohammed Aslam was working in his kitchen garden when he heard his fellow villagers shouting that water was coming from the nearby foothills in southern Kulgam area in Indian-controlled Kashmir. Within moments, the farmer said, mud and.....»»
Bilingualism as a catalyst for social development in children
SUTD researchers delve into the bilingual experience and its impact on children's context-sensitive perception of trust, offering insights into how language diversity can enrich and benefit children's social-cognitive development......»»
Shaping the future of digital identity
Digital identity refers to the unique and electronically stored representation of an individual or entity’s personal information, characteristics, and attributes. It encompasses various digital identifiers, such as usernames, email addresses, b.....»»
BESSY II: Surface analysis of catalyst particles in aqueous solutions
Green hydrogen can be produced directly in a photoelectrochemical cell, splitting water with solar energy. However, this requires the development of super-efficient photoelectrodes that need to combine many talents at the same time: They must be exce.....»»
Team develops highly active catalyst for alkaline water electrolysis using boron and sulfur
Development of hydrogen-related technologies is essential to realize and sustain a carbon-neutral society. Hydrogen is obtained from water electrolysis; however, the existing catalysts are made of rare and expensive metals. A research group led by th.....»»
Chemists recycle shrimp waste as catalyst for hydrogen generation
Flexible spheres of the biomolecule chitosan, made from shrimp waste, can be used for catalysts that generate hydrogen gas from borohydride salts. In a paper in Green Chemistry, a research team at the University of Amsterdam (UvA) shows how the spher.....»»
Laser-controlled intracellular flows in temperature-sensitive biological cells
Micromanipulation techniques are widely adopted in materials science, colloidal physics and life sciences for various applications, ranging from nanostructure assembly and particle trapping to spatio-temporal analysis of cell organization. Introduced.....»»
Autonomously switchable polymer materials developed for wearable medical devices
Wearable medical devices, such as the soft exoskeletons that provide support for stroke patients or controlled drug delivery patches, have to be made of materials that can adapt intelligently and autonomously to the wearer's movements and to changing.....»»
Anger builds after controlled burn badly damages California sequoias
They are called "the Orphans" and they have stood side by side in what is now Calaveras Big Trees State Park for more than five centuries......»»