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Feb 6, 2019

Quantum dot white LEDs achieve record efficiency

Posted by in categories: nanotechnology, particle physics, quantum physics, sustainability

Circa 2018


Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. Luminous efficiency is a measure of how well a light source uses power to generate light. With further development, the new LEDs could reach efficiencies over 200 lumens per watt, making them a promising energy-efficient lighting source for homes, offices and televisions.

“Efficient LEDs have strong potential for saving energy and protecting the environment,” said research leader Sedat Nizamoglu, Koç University, Turkey. “Replacing conventional lighting sources with LEDs with an of 200 lumens per watt would decrease the global electricity consumed for lighting by more than half. That reduction is equal to the electricity created by 230 typical 500-megawatt coal plants and would reduce greenhouse gas emissions by 200 million tons.”

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Feb 6, 2019

Femtosecond laser pulses push spintronics and magnonics to the limit

Posted by in categories: materials, particle physics

An international team composed by scientists of Radboud University and the University Politecnico di Milano has realized the ultimate speed limit of the control of spins in a solid state magnetic material.

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Feb 6, 2019

Breakthrough device llures aggressive brain tumor cells out of the patient

Posted by in categories: biotech/medical, neuroscience

A biomedical tool that tricks aggressive brain tumors such as glioblastoma into migrating into an external container rather than throughout the brain has been designated a “Breakthrough Device” by the U.S. Food and Drug Administration (FDA).

Dubbed the Tumor Monorail, the mimics the physical properties of the brain’s to entice to migrate toward the exterior of the brain, where the migrating cells can be collected and removed. The purpose of the device is not to destroy the tumor, but to halt its lethal spread, making the disease more of a condition to manage than a death sentence.

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Feb 6, 2019

DHL adding 63 electric vans to US fleet

Posted by in category: transportation

https://youtube.com/watch?v=uTRIcoR4qRM

Slowly but surely, home delivery is getting cleaner.

Logistics company DHL has already branched out into selling its own StreetScooter zero emission delivery vehicles, but that doesn’t mean it’s not in the market for adding to its fleet from other manufacturers either.

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Feb 6, 2019

A New “Solar Paint” Lets You Transform Your Entire House Into a Source of Clean Energy

Posted by in category: energy

Circa 2017


This remarkable new paint generates energy from sunlight and moisture.

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Feb 6, 2019

Graphene quantum dots sensitized C-ZnO nanotaper photoanodes for solar cells application

Posted by in categories: quantum physics, solar power, sustainability

In a paper to be published in the forthcoming issue in NANO, researchers from the National Institute of Technology, India, have synthesized blue-green-orange photoemissive sulfur and nitrogen co-doped graphene quantum dots (SNGQDs) using hydrothermal method. These GQDs showed strong UV-visible photoabsorption and excitation dependent photoemission which have low-cost, eco-friendly solar cell application.

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Feb 6, 2019

Decentralized systems are more efficient at reaching a target when its components are not overly capable

Posted by in categories: information science, robotics/AI, transportation

A team of researchers including Neil Johnson, a professor of physics at the George Washington University, has discovered that decentralized systems work better when the individual parts are less capable.

Dr. Johnson was interested in understanding how systems with many moving parts can reach a desired target or goal without centralized control. This explores a common theory that decentralized systems, those without a central brain, would be more resilient against damage or errors.

This research has the potential to inform everything from how to effectively structure a company, build a better autonomous vehicle, optimize next-generation artificial intelligence algorithms—and could even transform our understanding of evolution. The key lies in understanding how the “” between decentralized and centralized systems varies with how clever the pieces are, Dr. Johnson said.

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Feb 6, 2019

Move Over, Spintronics: Here Comes Magnonics to the Rescue of Electronics

Posted by in categories: electronics, particle physics

New type of logic gate promises to completely replace electricity with magnetic spin waves for computation.

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Feb 6, 2019

Ancient Druid Healing ‘Treatment’ Shows Potential For Killing Today’s Superbugs

Posted by in category: biotech/medical

Faced with the rising threat of drug resistant pathogens, researchers are all but giving up hope that new treatments can be easily cooked up in the lab.

One recent discovery gives us hope that novel antibiotics are easier to find than we think, perhaps in plain sight right under our very feet. And it’s possible their curative properties could have already been recognised centuries in the past.

An international team of researchers based at Swansea University Medical School in South West Wales recently identified a new strain of bacterium in ‘healing soil’ taken from a site associated with ancient druidic rituals in Northern Ireland.

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Feb 6, 2019

Ebola Vaccinations Expanding in Central Africa

Posted by in category: biotech/medical

The African country of South Sudan has started vaccinating front-line response staff with the Ebola Zaire vaccine candidate v920.

The vaccine’s producer, Merck, has given 2,160 doses of the vaccine candidate V920 (rVSV-ZEBOV) as part of preparedness measures to fight the spread of the Ebola disease, said the World Health Organization (WHO) in a press release on January 28, 2019.

This preventive effort is in reaction to South Sudan’s neighboring country the Democratic Republic of the Congo (DRC), which is now experiencing its 10th Ebola outbreak.

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