News tagged with water vapor

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A NASA weather 'Eye in the Sky' marks 10 years

For 10 years, it has silently swooped through space in its orbital perch 438 miles (705 kilometers) above Earth, its nearly 2,400 spectral "eyes" peering into Earth's atmosphere, watching. But there's nothing ...

May 04, 2012
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Why do dew drops do what they do on leaves?

Nobel laureate poet Rabindranath Tagore once wrote, "Let your life lightly dance on the edges of time like dew on the tip of a leaf." Now, a new study is finally offering an explanation for why small dew drops ...

Jan 11, 2012
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Water evaporated from trees cools global climate

Scientists have long debated about the impact on global climate of water evaporated from vegetation. New research from Carnegie's Global Ecology department concludes that evaporated water helps cool the earth as a whole, ...

Sep 14, 2011
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Ice heating up cold clouds

In the Arctic, competition within clouds is hot. The small amount of heat released when water vapor condenses on ice crystals in Arctic clouds, which contain both water and ice, determines the cloud's survival, ...

Sep 21, 2011
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Flexible films for photovoltaics

Displays that can be rolled up and flexible solar cells -- both are potential future markets. Barrier layers that protect thin-film solar cells from oxygen and water vapor and thus increase their useful life ...

May 26, 2011
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Fire and rain: Fed scientists point to wild April

(AP) -- April was a historic month for wild weather in the United States, and it wasn't just the killer tornado outbreak that set records, according to scientists with the National Oceanic and Atmospheric Administration.

May 10, 2011
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