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A team of researchers has developed a new way to control light interactions using a specially engineered structure called a 3D photonic-crystal cavity that could enable transformative advancements in quantum computing, quantum communication and other quantum-based technologies.

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At first glance, the Bathhouse spa in Brooklyn looks not so different from other high-end spas. What sets it apart is out of sight: a closet full of cryptocurrency-­mining computers that not only generate bitcoins but also heat the spa’s pools, marble hammams, and showers. 

When cofounder Jason Goodman opened Bathhouse’s first location in Williamsburg in 2019, he used conventional pool heaters. But after diving deep into the world of bitcoin, he realized he could fit cryptocurrency mining seamlessly into his business. That’s because the process, where special computers (called miners) make trillions of guesses per second to try to land on the string of numbers that will earn a bitcoin, consumes tremendous amounts of electricitywhich in turn produces plenty of heat that usually goes to waste. 

 “I thought, ‘That’s interestingwe need heat,’” Goodman says of Bathhouse. Mining facilities typically use fans or water

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Virginia Tech is committed to fostering a welcoming and supportive environment where individuals from all backgrounds and life experiences can succeed and thrive. We encourage applications from those whose unique perspectives, experiences, and ideas will enhance our vibrant academic community, which is dedicated to innovation, discovery and the advancement of knowledge. The Department of Sustainable Biomaterials (SBIO) at Virginia Tech invites applications for an Assistant Professor in Timber Engineering. The department’s program focuses on developing future leaders in the sustainable utilization of forest-based and other renewable natural materials. We seek highly motivated, collaborative, and innovative candidates. Candidates with particular expertise in the areas of green building or mass timber are preferred. This position entails teaching and research, with skills and expertise required in wood structural design, analytical modeling of structures, connections, test configurations, and wood material science.

Green building can include improvements in the

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In-brief analysis

April 17, 2025

U.S. marketed natural gas production remained relatively flat in 2024, growing by less than 0.4 billion cubic feet per day (Bcf/d) compared with 2023 to average 113 Bcf/d, according to our latest Natural Gas Monthly. Production growth in the Permian was offset by declining production in the Haynesville and relatively flat production in Appalachia.

EIA’s Short-Term Energy Outlook breaks out U.S. Lower 48 (L48) marketed natural gas production data for the Appalachia, Bakken, Eagle Ford, Haynesville, and Permian regions and also includes Alaska and Gulf of America production data. The Appalachia, Permian, and Haynesville regions produce the most, accounting for around two-thirds of total U.S. natural gas production combined.

Data source: U.S. Energy Information Administration, Short-Term Energy Outlook, April 2025
Note: GOA=Gulf of America, AK=Alaska; L48=Lower 48 U.S. states

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