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Category
Science
Published
Monday, July 20, 2026 at 2:31 AM
Publisher
ScienceDaily
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ScienceDaily 1 day ago

Scientists found two powerful new ways to destroy forever chemicals

Quick Summary

Scientists are testing two promising ways to destroy PFAS, the stubborn “forever chemicals” that can accumulate in water and resist normal treatment. One method uses collapsing vapor bubbles to generate extreme heat and reactive molecules, while the other uses cold plasma and rising gas bubbles to pull PFAS to the surface and break them apart.

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Robotically Assembled Electromagnetic Metamaterials for Long-Range Space Situational Awareness
Robotically Assembled Electromagnetic Metamaterials for Long-Range Space Situational Awareness

David SmithDuke University The increasing population of spacefaring vehicles and satellites motivates increasingly powerful technologies for space situational awareness (SSA). While the US space surveillance network (SSN) is able to monitor objects down to about four inches in size using, for example, the latest upgrade to the space fence, the associated requirements limit implementation to ground-based […]

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Photophoretic tracers for near-space remote sensing at 30-100 km altitudes
Photophoretic tracers for near-space remote sensing at 30-100 km altitudes

Benjamin SchaferRarified Technologies, Inc. We propose a new approach to atmospheric sensing at 30-100 km altitudes using photophoretically levitating tracers. These lightweight structures harness sunlight to remain suspended for up to months at controlled altitudes and can be remotely tracked by satellite-based lidar or radar. Unlike natural aerosols, these tracers are designed to provide strong and […]

NASA Breaking News 4 hours ago
Actively Steerable Femtosat Constellations for In-situ Exploration of Saturn’s Rings, Atmosphere, and Magnetosphere
Actively Steerable Femtosat Constellations for In-situ Exploration of Saturn’s Rings, Atmosphere, and Magnetosphere

Michael RubensteinNorthwestern University, Chicago We propose a mission to use ~10,000 actively steerable femtosats to map the ring composition, atmospheric composition and density, and the magnetic field distribution of Saturn. Conducting in-situ surveys of Saturn’s rings with a single flagship mission, such as Cassini, would carry an unacceptably high risk of mission failure due to […]

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