Aug 16, 2022
New Materials Research Sees Transformations at an Atomic Level
Posted by Shubham Ghosh Roy in categories: energy, materials
The findings could aid the design of new multiphase materials for clean energy applications and beyond.
The findings could aid the design of new multiphase materials for clean energy applications and beyond.
Scientists in the Netherlands have developed a model to forecast the energy yield of a PV system. It is able to take into account factors such as partial shading and multiple module orientations. Tested against a reference cell and pyranometer, the model showed less than 5% error, and the scientists claim their approach is up to three orders of magnitude faster than more common approaches using complex ray tracing.
The new power-generating method is more efficient in using present elements for electrical grids.
Toxoplasma gondii (T.gondii) is a common parasite, one that scientists say may infect more than half the world’s population. Now, scientists also believe that T.gondii may be manipulating its hosts to make them more attractive to others. If true, it means there may be a parasite out there that makes people more attractive to fuel its spread to new hosts through sexual activity.
Parasites have always been known to influence the way their hosts behave when trying to move to a new host. T.gondii itself has been known to manipulate its hosts. Researchers previously discovered that the parasite could make infected rats attracted to the smell of urine from predator cats. This led the rats to take part in riskier behavior. As a result, the likelihood of a cat eating the rat increased dramatically.
This allowed the parasite to move on to its optimal host. Once it has reached that optimal host, though, the parasite can then reproduce sexually. What’s most terrifying about how this parasite works is that the manipulation doesn’t stop there. Instead, similar manipulations have been seen in chimpanzees, hyenas, and humans, too. If the parasite can make people more attractive, it could spread more easily.
Batteries provide energy to electronic devices. Your body generates and uses energy. Ergo, you’re basically a battery.
As you run, walk, or even breathe, your body is moving. A system fine-tuned enough to collect and store that output can transpose it into energy for the electronics we carry with us everyday. The obvious substrate in which to build such a system is our clothes, since they move along with us.
But without a series of wires or magnetic coils, how can cotton, wool, polyester, or even leather garments collect, store, and transport electricity? A team at Nanyang Technological University (NTU) in Singapore thinks it has the answers to finally harness your inner generator—and keep you from needing to borrow a charging cord.
The world is highly dependent on fossil fuels to power its industry and transportation. These fossil fuels lead to excessive carbon dioxide emission, which contributes to global warming and ocean acidification. One way to reduce this excessive carbon dioxide emission that is harmful to the environment is through the electroreduction of carbon dioxide into value-added fuels or chemicals using renewable energy. The idea of using this technology to produce methane has attracted wide interest. However, researchers have had limited success in developing efficient catalysts for methane.
A Soochow University research team has now developed a simple strategy for creating cobalt copper alloy catalysts that deliver outstanding methane activity and selectivity in electrocatalytic carbon dioxide reduction. Their research is published in Nano Research.
Over the past 10 years, scientists have made notable progress in advancing their understanding of catalysts and applying the knowledge to their fabrication. But the catalysts that have been developed have not been satisfactory for use with methane, in terms of selectivity or current density. Despite the great insights scientists have gained, the strategies they have attempted in creating catalysts for methane are just too costly to be useful in practical applications.
For the first time ever, electricity is delivered through heated supercritical carbon dioxide.
The method has so far succeeded in adding 10 kilowatts to the grid.
Researchers were inspired by elevators to create the system.
Canada-based Tyromer is building a pilot factory in Arnhem to bring its circular rubber products to the European market. Specializing in the devulcanization of rubber from scrap tires, Tyromer will fine-tune and exhibit its recycling technology at its new Dutch facility in order to sell the process to third parties. The company is one of the first in the Netherlands to give this hard-to-process residual product a high-quality new life, making it a valuable addition to the Dutch circular economy.
Located at Kleefse Waard Industrial Park (IPKW) in Arnhem, the factory is currently being set up. “We expect to be able to start early in the summer [of 2021],” said Jos van Son, managing director of Tyromer Europe. Tyromer will employ approximately 12 people in Arnhem.
“Tyromer has a unique solution to a major problem: mountains of car tire rubber that cannot be reused. Companies such as Tyromer, which have solutions for societal challenges with smart technologies, are a welcome addition to the East Netherlands ecosystem. The fact that Tyromer is establishing itself at IPKW, where many companies are involved with energy and circularity issues, is good news for the activity in our region,” added René Brama, investment manager of Tech at Oost NL.
In 2017, Stanford University researchers presented a new device that mimics the brain’s efficient and low-energy neural learning process. It was an artificial version of a synapse—the gap across which neurotransmitters travel to communicate between neurons—made from organic materials. In 2019, the researchers assembled nine of their artificial synapses together in an array, showing that they could be simultaneously programmed to mimic the parallel operation of the brain.
Now, in a paper published June 15 in Nature Materials, they have tested the first biohybrid version of their artificial synapse and demonstrated that it can communicate with living cells. Future technologies stemming from this device could function by responding directly to chemical signals from the brain. The research was conducted in collaboration with researchers at Istituto Italiano di Tecnologia (Italian Institute of Technology—IIT) in Italy and at Eindhoven University of Technology (Netherlands).
“This paper really highlights the unique strength of the materials that we use in being able to interact with living matter,” said Alberto Salleo, professor of materials science and engineering at Stanford and co-senior author of the paper. “The cells are happy sitting on the soft polymer. But the compatibility goes deeper: These materials work with the same molecules neurons use naturally.”
Across the United States, local wind and solar jobs can fully replace the coal-plant jobs that will be lost as the nation’s power-generation system moves away from fossil fuels in the coming decades, according to a new University of Michigan study.
As of 2019, coal-fired electricity generation directly employed nearly 80,000 workers at more than 250 plants in 43 U.S. states. The new U-M study quantifies—for the first time—the technical feasibility and costs of replacing those coal jobs with local wind and solar employment across the country.
The study, published online Aug. 10 in iScience, concludes that local wind and solar jobs can fill the electricity generation and employment gap, even if it’s required that all the new jobs are located within 50 miles of each retiring coal plant.