News tagged with dynamics

Predicting the extent of flash flooding

Devastating floodwaters such as those experienced during Iowa's Flood of 2008—which swamped many Iowa communities, along with ten square miles of Cedar Rapids—are notoriously difficult to predict.

dateMar 10, 2015 in General Physics
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SDO captures images of a mid-level solar flare

The sun emitted a mid-level solar flare, peaking at 5:22 pm EST on March 7, 2015. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. ...

dateMar 09, 2015 in Space Exploration
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Mathematicians model fluids at the mesoscale

When it comes to boiling water—or the phenomenon of applying heat to a liquid until it transitions to a gas—is there anything left for today's scientists to study? The surprising answer is, yes, quite a bit. How the bubbles ...

dateMar 06, 2015 in Soft Matter
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Stanford pair helping predict solar storms

Life as a forecaster is not easy. Just ask National Weather Service forecasters who misjudged how a recent winter storm would impact the Big Apple. Now imagine trying to predict weather activity on a burning sphere 1.3 million ...

dateFeb 19, 2015 in Space Exploration
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Image sensors that behave like biological retinas

Ever since the invention of the first camera obscura and the advent of photography in the 19th century, scientists have been fascinated by the use of light sensors to capture the world around us from the perspective of a ...

dateFeb 18, 2015 in Engineering
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Image: Giant filament seen on the sun

A dark, snaking line across the lower half of the sun in this Feb. 10, 2015 image from NASA's Solar Dynamics Observatory (SDO) shows a filament of solar material hovering above the sun's surface. SDO shows colder material ...

dateFeb 12, 2015 in Space Exploration
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