News tagged with fluids

Finding out what's in 'fracking' wastewater

In early January, almost 3 million gallons of wastewater from a hydraulic fracturing ("fracking") operation in North Dakota spilled into nearby creeks. The accident highlighted ongoing concerns about what's in fracking fluids ...

Mar 18, 2015
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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 ...

Mar 06, 2015
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How to study high-speed flows

Joanna Austin (MS '98, PhD '03) does not just go with the flow. She picks it apart and analyzes it. One of the newest faculty members in Caltech's Division of Engineering and Applied Science is a gas dynamicist, ...

Feb 09, 2015
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Climate control in termite mounds

When they make their way into homes, some species of termites can be destructive pests. Their fungus-harvesting relatives in Africa and Asia, however, are known for their construction prowess, collectively ...

Nov 25, 2014
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The secret of dragonflies' flight

Dragonflies can easily right themselves and maneuver tight turns while flying. Each of their four wings is controlled by separate muscles, giving them exquisite control over their flight.

Nov 25, 2014
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