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Category: energy – Page 44

Quantum Physics Unlocks Hidden Energy for a Cleaner Future

A breakthrough at Rice University enhances thermophotovoltaic systems with a new thermal emitter design, achieving over 60% efficiency.

This could transform energy conversion, making it a viable alternative to batteries for grid-scale energy storage and sustainable industry practices.

Researchers at Rice University have developed an innovative way to enhance thermophotovoltaic (TPV) systems, which convert heat into electricity using light. Drawing inspiration from quantum physics, engineer Gururaj Naik and his team designed a highly efficient thermal emitter that works within realistic design constraints.

Making America Great Again Means Fixing Its Dystopian Cities

So, is it true…

As I say, Carlson was roundly criticized for his comments. Some of that criticism was entirely justified, although much of it was not. And in any case, Longoria will not be criticized at all for her statements, in part because she’s a leftist and, thus, above criticism, and in part because she, like Carlson, has a point. Public spaces in American cities are, in most cases, grotesque. That’s almost inarguable. Among other things, Tucker was bashed because he made what seemed to be a partisan argument. He was clearly and undeniably criticizing urban Democratic politics and policies. The irony here is that Longoria was too, although neither she nor any of her supporters and fans understand that.

As Democrats continue their soul-searching, and as media and other analysts try to dissect the causes of the enormous Republican victory not quite two weeks ago, one lesson will likely go unlearned. The American people really do want their country to be great again. To them, that doesn’t mean that the United States should be an omnipotent global colossus, striding the globe, enforcing its will on everyone and everything. And it doesn’t mean that Americans should win every gold medal at every Olympics or every Nobel Prize or anything like that. Americans just want their country to work again. They just want their cities to function. They want to be able to build homes or power plants or new factories without having to spend countless months and endless resources complying with arcane and ridiculous regulations. They want their country to look and feel and operate like a normal place again.

For at least the last 60 years, American cities have been governed not for the benefit of their residents but for the benefit of political power consolidation. Cities are managed specifically to ensure the application of ideological principles and the maintenance of the partisan status quo. In other words, New York, Chicago, and San Francisco (and practically every city in between) are experiments in liberal-left policies and Democratic machine politics. They are run of, by, and for the machines and their ideological solons, not for the people who live there.

How Wastewater and Gas Flares Could Supercharge Green Hydrogen Production

Oil and gas extraction in places like Texas’ Permian Basin leads to several waste products, including significant amounts of wastewater and flares firing into the sky. Texas Engineer Vaibhav Bahadur is researching how those byproducts, which are harmful to the environment, could be repurposed to serve as key elements in the creation of “green” hydrogen.

Bahadur, an associate professor in the Walker Department of Mechanical Engineering, recently published a new paper in the journal Desalination about a new way to potentially produce green hydrogen. It involves using the energy wasted via gas flaring to power reverse osmosis, a common, low-energy technique used for municipal water treatment. Hydrogen production requires pristine water, and this process satisfies that need by removing salts and other elements from the equation.

Learn more about green hydrogen in the Q&A with Bahadur below, as well as his research, next steps and its broader implications.

Ion Superhighways: The Nanotech Breakthrough Powering Tomorrow’s Tech

Researchers have significantly accelerated ion movement using nanotechnology, potentially improving technologies from battery charging to biosensing.

This breakthrough at Washington State University and Lawrence Berkeley National Laboratory involves creating a nanochannel lined with molecules that attract ions, allowing them to move over ten times faster than before. This development could revolutionize energy storage and help detect environmental pollutants or neurological activities.

Breaking Speed Records With Nanoscience

Quantum-inspired design boosts efficiency of heat-to-electricity conversion

Researchers at Rice University have found a new way to improve a key element of thermophotovoltaic (TPV) systems, which convert heat into electricity via light. Using an unconventional approach inspired by quantum physics, Rice engineer Gururaj Naik and his team have designed a thermal emitter that can deliver high efficiencies within practical design parameters.

The research could inform the development of thermal-energy electrical storage, which holds promise as an affordable, grid-scale alternative to batteries. More broadly, efficient TPV technologies could facilitate renewable energy growth—an essential component of the transition to a net-zero world. Another major benefit of better TPV systems is recouping from industrial processes, making them more sustainable. To put this in context, up to 20–50% of the heat used to transform raw materials into consumer goods ends up being wasted, costing the United States economy over $200 billion annually.

TPV systems involve two main components: photovoltaic (PV) cells that convert light into electricity and thermal emitters that turn heat into light. Both of these components have to work well in order for the system to be efficient, but efforts to optimize them have focused more on the PV cell.

Physicists develop new method to visualize magnetic nanostructures with high resolution

A new method enables researchers to analyze magnetic nanostructures with a high resolution. It was developed by researchers at Martin Luther University Halle-Wittenberg (MLU) and the Max Planck Institute of Microstructure Physics in Halle.

The new method achieves a resolution of around 70 nanometers, whereas normal light microscopes have a resolution of just 500 nanometers. This result is important for the development of new, energy-efficient storage technologies based on spin electronics. The team reports on its research in the current issue of the journal ACS Nano.

Normal optical microscopes are limited by the wavelength of light and details below around 500 nanometers cannot be resolved. The new method overcomes this limit by utilizing the anomalous Nernst effect (ANE) and a metallic nano-scale tip. ANE generates an electrical voltage in a magnetic metal that is perpendicular to the magnetization and a .

Novel crystals can harvest water from air without any energy input

A team of researchers from Jilin University, NYU Abu Dhabi’s Smart Materials Lab, and the Center for Smart Engineering Materials, led by Professor of Chemistry Pance Naumov, has developed a new crystalline material that can harvest water from fog without any energy input.

The design of the novel type of smart crystals, which the researchers named Janus crystals, is inspired by and animals, which can survive in . Desert beetles and lizards, for example, have evolved to develop that have both hydrophilic and hydrophobic areas and effectively capture moisture from the air. Water is attracted to the hydrophilic areas and droplets are accumulated and transported through the hydrophobic areas.

The findings are presented in the paper titled “Efficient Aerial Water Harvesting with Self-Sensing Dynamic Janus Crystals,” recently published in the Journal of the American Chemical Society.