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Engineers have made bacteria to produce hyperspectral signals that can be detected as far as 90 meters away. Their work could lead to the development of bacterial sensors for agricultural and other applications, which could be monitored by drones or satellites to monitor crop health, for example.
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This outreach will help ensure that the team’s findings and recommendations lead to improvements to codes, standards and practices that can prevent similar tragedies from occurring in the future.
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When materials are created on a nanometer scale — just a handful of atoms thick — even the thermal energy present at room temperature can cause structural ripples. How these ripples affect the mechanical properties of these thin materials can limit their use in electronics and other key systems. New research validates theoretical models about how elasticity is scale-dependent — in other words, the elastic properties of a material are not constant, but vary with the size of the piece of material.
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In-brief analysis
April 10, 2025
U.S. crude oil exports in 2024 surpassed the previous record set in 2023, exceeding an annual average of 4.1 million barrels per day (b/d). Despite this new record, crude oil export year-over-year growth slowed to 1% in 2024, compared with 14% in 2023 and 21% in 2022.
Crude oil production in the U.S. Lower 48 (L48) states, which does not include Alaska or offshore production, reached a record in November 2024, allowing for a greater supply of crude oil to export. Increased production efficiency counteracted a decrease in the number of active oil rigs, resulting in L48 production increasing 3% last year. Unlike in the L48 states, production in Alaska and offshore in the Gulf of America decreased last year because of natural declines in both areas and because of disruptions to
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