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An international team of experts has collected data on metal halide perovskite solar cells from more than 15,000 publications and developed a database with visualization options and analysis tools. The database is open source and provides an overview of the rapidly growing knowledge as well as the open questions in this exciting class of materials. The study was initiated by HZB scientist Dr. Eva Unger and implemented and coordinated by her postdoc Jesper Jacobsson.

Halide perovskites have huge potential for and other optoelectronic applications. Solar cells based on metal-organic perovskites achieve efficiencies of more than 25 percent, they can be produced cheaply and with minimal energy consumption, but still require improvements in terms of stability and reliability. In recent years, research on this class of materials has boomed, producing a flood of results that is almost impossible to keep track of by traditional means. Under the keyword “ solar,” more than 19,000 publications had already been entered in the Web of Science (spring 2021).

Now, 95 experts from more than 30 international research institutions have designed a to systematically record findings on perovskite semiconductors. The are prepared according to the FAIR principles, i.e. they are findable, accessible, interoperable and reusable. By reading the existing literature, the experts have collected more than 42,000 individual data sets, in which the data can be filtered and displayed according to various criteria such as material compositions or component type. Researchers from several teams at HZB were involved in this Herculean task.

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SHOP NOW Before I moved to Chicago a few years ago, I thought I’d learned how to handle winter. When I got here, I turned out to be dead wrong. Even weari.

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That’s why I bought my North Face when I moved here, but with even that jacket leaving me cold, I knew I had to switch again. I nevertheless hesitated because I was tired of shuffling through winter jackets every year. I wanted whatever I bought to last for a decade of winters to come. I’d rather increase my winter jacket budget – specifically for something higher-tech – in hopes of finding one lifelong purchase to keep me warm forever.

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To solve the mysteries of how learning and memory occur, Johns Hopkins Medicine scientists have created a system to track millions of connections among brain cells in mice—all at the same time—when the animals’ whiskers are tweaked, an indicator for learning.

Researchers say the new tool gives an unprecedented view of brain cell activity in a synapse—a tiny space between two , where molecules and chemicals are passed back and forth.

“It was science fiction to be able to image nearly every synapse in the brain and watch a change in behavior,” says Richard Huganir, Ph.D., Bloomberg Distinguished Professor of Neuroscience and Psychological and Brain Sciences at The Johns Hopkins University and director of the Department of Neuroscience at the Johns Hopkins University School of Medicine.

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China is making significant strides in the field of space technology, which has been traditionally dominated by the United States and Russia. It seeks to match and outpace the American hegemony in space that has become evident with the communist country launching its own space station and carrying out “unprecedented” tests. MUST-READ: Taiwan ‘Exposes Chinese […].

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Between a supply chain full of holes, labor shortages across various sectors of the economy, and rising inflation, it’s shaping up to be a somewhat chaotic holiday season. Technology can’t fix all of these problems—or even most of them—but it can help get holiday shipments from point A to point B faster, cheaper, and without as many humans involved. Waymo’s partnership with UPS could mean some of your holiday gifts will be spending time in an autonomous truck on their way to you.

Waymo (which started out as the Google Self-Driving Car Project in 2009 and is still held by Alphabet, but raised $2.5 billion in its first outside funding round in March of 2020) first announced a partnership with UPS in January 2020, in which Waymo Driver was used to help move packages between UPS stores in Phoenix and the UPS hub in Tempe. Waymo’s Chrysler Pacifica minivans drove autonomously, but trained operators were on board to monitor the vehicles.

Last week the two companies announced an expansion of their existing partnership, saying they’ll start autonomous trial runs using Class 8 trucks equipped with the fifth-generation Waymo Driver. They’ll do deliveries for UPS’s North American Air Freight unit between facilities in Dallas-Fort Worth and Houston. Waymo’s initial route for its driverless cargo shipments also ran between Houston and Fort Worth, which the company said is one of the most highly utilized freight corridors in the country. The route is around 260 miles long, much of that a straight shot on Interstate 45.

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