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A sodium battery developed by researchers at The University of Texas at Austin significantly reduces fire risks from the technology, while also relying on inexpensive, abundant materials to serve as its building blocks.

Though battery fires are rare, increased battery usage means these incidents are on the rise.

Continue reading “Fire-resistant sodium battery balances safety, cost and performance” »

Wonderful work truly breakthrough for different types of compounds for chemistry. Year 2021.

V-SYNTHES, a scalable and computationally cost-effective synthon-based approach to compound screening, identified compounds with a high affinity for CB2 and CB1 in a hierarchical structure-based screen of more than 11 billion compounds.

Researchers can engineer cells to express new genes and produce specific proteins, giving the cells new parts to work with. But, it’s much harder to provide cells with instructions on how to organize and use those new parts. Now, new tools from University of Wisconsin–Madison researchers offer an innovative way around this problem.

Their research is published in the journal Cell.

Everything a cell does depends on how molecules are organized within the cell. Inside our cells—all cells—proteins and other molecules undergo organization and reorganization to carry out cellular function. Like a fleet of commuter trains moving at scheduled intervals along their different routes, proteins within a cell are organized in time and space to carry out complex but predictable functions.

Philosopher David Chalmers and neuroscientist Christof Koch made a bet in 1998 on a breakthrough in consciousness research within 25 years. Now the bet is settled – thanks to the journalist Per Snaprud, neuroscience editor at the Swedish popular science magazine Forskning \& Framsteg. Here’s a conversation that was held between the three at New York university on June 24:th 2023.

Researchers at Mainz University have been able to visualize the third class of magnetism, called altermagnetism, in action.

Ferromagnetism and antiferromagnetism have long been known to scientists as two classes of magnetic order of materials. Back in 2019, researchers at Johannes Gutenberg University Mainz (JGU) postulated a third class of magnetism, called altermagnetism. This altermagnetism has been the subject of heated debate among experts ever since, with some expressing doubts about its existence.

Recently, a team of experimental researchers led by Professor Hans-Joachim Elmers at JGU was able to measure for the first time at DESY (Deutsches Elektronen-Synchrotron) an effect that is considered to be a signature of altermagnetism, thus providing evidence for the existence of this third type of magnetism. The research results were published in Science Advances.

In the ever-evolving realm of microscopy, recent years have witnessed remarkable strides in both hardware and algorithms, propelling our ability to explore the infinitesimal wonders of life. However, the journey towards three-dimensional structured illumination microscopy (3DSIM) has been hampered by challenges arising from the speed and intricacy of polarization modulation.

Enter the high-speed modulation 3DSIM system “DMD-3DSIM,” combining digital display with super-resolution imaging, allowing scientists to see cellular structures in unprecedented detail.

As reported in Advanced Photonics Nexus, Professor Peng Xi’s team at Peking University developed this innovative setup around a digital micromirror device (DMD) and an electro-optic modulator (EOM). It tackles resolution challenges by significantly improving both lateral (side-to-side) and axial (top-to-bottom) resolution, for a 3D spatial resolution reportedly twice that achieved by traditional wide-field imaging techniques.

A mathematical historian at Trinity Wester University in Canada, has found use of a decimal point by a Venetian merchant 150 years before its first known use by German mathematician Christopher Clavius. In his paper published in the journal Historia Mathematica, Glen Van Brummelen describes how he found the evidence of decimal use in a volume called “Tabulae,” and its significance to the history of mathematics.

The invention of the decimal point led to the development of the decimal system, and that in turn made it easier for people working in multiple fields to calculate non-whole numbers (fractions) as easily as whole numbers. Prior to this new discovery, the earliest known use of the decimal point was by Christopher Clavius as he was creating astronomical tables—the resulting work was published in 1593.

The new discovery was made in a part of a manuscript written by Giovanni Bianchini in the 1440s—Van Brummelen was discussing a section of trigonometric tables with a colleague when he noticed some of the numbers included a dot in the middle. One example was 10.4, which Bianchini then multiplied by 8 in the same way as is done with modern mathematics. The finding shows that a decimal point to represent non-whole numbers occurred approximately 150 years earlier than previously thought by math historians.

A material coating, whose light refraction properties can be precisely switched between different states, has been developed by an interdisciplinary research team from the Chemistry and Physics departments at the University of Jena. The team, led by Felix Schacher, Sarah Walden, Purushottam Poudel, and Isabelle Staude, combined polymers that react to light with so-called metasurfaces.

This innovation has led to the creation of new optical components that could potentially be used in signal processing. Their findings have now been published in the journal ACS Nano.

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