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How do combined sewer overflows affect water quality in Philadelphia?

المصدر: Phys.org - latest science and technology news stories · نُشر

How do combined sewer overflows affect water quality in Philadelphia?
المصدر: Phys.org - latest science and technology news stories

In Philadelphia and many urban areas across the U.S. with sewer systems dating back to the 1800s, more frequent flooding is posing a threat not only to people and property but also to surrounding ecosystems. In these areas, stormwater and sewage drain into the same pipes, which a

In Philadelphia and many urban areas across the U.S. with sewer systems dating back to the 1800s, more frequent flooding is posing a threat not only to people and property but also to surrounding ecosystems. In these areas, stormwater and sewage drain into the same pipes, which are designed to spill into nearby waterways when flooding occurs rather than inundating streets.

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Forecasting air drag with deep learning helps predict when uncontrolled satellites and rocket stages fall to Earth
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Forecasting air drag with deep learning helps predict when uncontrolled satellites and rocket stages fall to Earth

On May 10, 2025, a spacecraft built in the Soviet Union to land on Venus came home. Launched in 1972, Cosmos-482 was stranded by a failed upper stage of its rocket and circled Earth for 53 years. In its last days, several space agencies and research groups forecasted when it woul

Phys.org - latest science and technology news stories ·