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An international research team has developed mechanical metamaterials with a high elastic energy density. Highly twisted rods that deform helically provide these metamaterials with a high stiffness and enable them to absorb and release large amounts of elastic energy. The researchers conducted simple compression experiments to confirm the initial theoretical results.
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DENTON, Texas – New flood maps have been finalized and will become effective on or about Oct. 2, 2025, for Oklahoma County, Oklahoma. During the next six months, a FEMA compliance specialist will work with the community to update each floodplain ordinance and adopt these new flood maps.
Residents are encouraged to examine the maps to determine if they are in a low-to-moderate or high-risk flood zone. The current and future Flood Insurance Rate Map (FIRM) can be viewed on FEMA’s Flood Map Changes Viewer at https://msc.fema.gov/fmcv.
By understanding flood risks, individuals can decide which insurance option is best for their situation. Community leaders can use these maps to make informed decisions about building standards and development to help lessen the impacts of a flooding event.
Anyone without flood insurance risks uninsured losses to their home, personal property and business. Flood insurance is available either through a private policy or through the National Flood Insurance Program (NFIP) for those in communities that participate in the NFIP. Residents with federally backed mortgages must have flood insurance if their structures are in the Special Flood Hazard Area.
Contact your local floodplain administrator (FPA) to review the new flood maps and learn more about your risk of flooding. A FEMA Map Specialist can help identify your community FPA and answer questions about the maps as well. Contact them by phone
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In-brief analysis
April 2, 2025
Data source: U.S. Energy Information Administration, Form EIA-851A, Domestic Uranium Production Report (Annual), and Form EIA-851Q, Domestic Uranium Production Report (Quarterly)
Note: Data were withheld from second-quarter 2020 to second-quarter 2021. P=preliminary data; W=withheld
Companies in the United States produced more uranium concentrate in 2024 than in any year since 2018 after a sustained period of higher uranium prices spurred production, according to our recently published Domestic Uranium Production Report—Quarterly. The increase largely came from two in-situ recovery facilities, one in Texas and one in Wyoming, and the resumption of uranium production at White Mesa Mill in Utah, the only operational uranium mill in the United States. Production in the fourth quarter of 2024 alone was higher than the total annual production for each of the years in 2019–23.
Energy Fuels’
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Aalto University is where science and art meet technology and business. We shape a sustainable future by making research breakthroughs in and across our disciplines, sparking the game changers of tomorrow and creating novel solutions to major global challenges. Our community is made up of 120 nationalities, 14 000 students, 400 professors and close to 5000 other faculty and staff working on our dynamic campus in Espoo, Greater Helsinki, Finland. Diversity is part of who we are, and we actively work to ensure our community’s diversity and inclusiveness. This is why we warmly encourage qualified candidates from all backgrounds to join our community.
The School of Electrical Engineering is one of the six schools of Aalto University. Our portfolio covers fields from natural sciences to engineering and information sciences. In parallel with basic research, we develop ideas and technologies further into innovations and services.
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