News tagged with fluid
Chemical reactions can be self-stirring (w/ Video)
(PhysOrg.com) -- Every chemistry student knows that if you stir a mixture of chemicals you speed up the reactions between them, but less well-known is that chemical reactions can themselves stir up the mixture. ...
Feb 01, 2010 |
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PCBs found in soon-to-be-dredged Indiana Harbor and Ship Canal
University of Iowa researchers have confirmed that sediments of the Indiana Harbor and Ship Canal (IHSC) in East Chicago, Ind., are contaminated with polychlorinated biphenyls (PCBs).
Jan 12, 2010 |
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Meddling in mosquitoes' sex lives could help stop the spread of malaria, says study
(PhysOrg.com) -- Stopping male mosquitoes from sealing their sperm inside females with a 'mating plug' could prevent mosquitoes from reproducing, and offer a potential new way to combat malaria, say scientists ...
Dec 22, 2009 |
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Scientists study hummingbirds flight to develop self-propelled surveillance devices
The secret to the flight of the hummingbird and other tiny birds and insects lies in the looping, swirling flow of air, called a vortex, that their flapping wings create.
Dec 16, 2009 |
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Sucking Up To Survive
Shrink a human being down to the size of an insect, and you would no longer be able to sip lemonade from a straw. The forces that hold liquid together would simply be too great to overcome at that tiny scale.
Dec 10, 2009 |
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Scientists show that female fruit flies can be 'too attractive' to males
Females can be too attractive to the opposite sex -- too attractive for their own good -- say biologists at UC Santa Barbara. They found that, among fruit flies, too much male attention directed toward attractive ...
Dec 08, 2009 |
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White, but not pure
Even the snow on Aconcagua Mountain in the Andes is polluted with PCBs. An international team of researchers detected low concentrations of these toxic, carcinogenic chlorine compounds in samples taken from ...
Dec 07, 2009 |
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Rocket test will carry Purdue experiment
(PhysOrg.com) -- Purdue University researchers are designing and building an experiment that will operate during a test flight of a new type of reusable rocket to be launched by aerospace company Blue Origin LLC.
Space & Earth / Space Exploration
Nov 30, 2009 |
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Predicting the fate of underground carbon
A team of researchers at the Massachusetts Institute of Technology has developed a new modeling methodology for determining the capacity and assessing the risks of leakage of potential underground carbon-dioxide reservoirs.
Nov 23, 2009 |
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New research shows versatility of amniotic fluid stem cells
For the first time, scientists have demonstrated that stem cells found in amniotic fluid meet an important test of potential to become specialized cell types, which suggests they may be useful for treating a wider array of ...
Medicine & Health / Medical research
Nov 23, 2009 |
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Aquatic creatures mix ocean water
Understanding mixing in the ocean is of fundamental importance to modeling climate change or predicting the effects of an El Niño on our weather. Modern ocean models primarily incorporate the effects of winds and tides. However, ...
Nov 22, 2009 |
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Butterfly proboscis to sip cells
A butterfly's proboscis looks like a straw -- long, slender, and used for sipping -- but it works more like a paper towel, according to Konstantin Kornev of Clemson University. He hopes to borrow the tricks of this piece ...
Nov 22, 2009 |
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Robotic clam digs in mudflats
To design a lightweight anchor that can dig itself in to hold small underwater submersibles, Anette (Peko) Hosoi of MIT borrowed techniques from one of nature's best diggers -- the razor clam.
Nov 22, 2009 |
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Generating electricity from air flow
A group of researchers at the City College of New York is developing a new way to generate power for planes and automobiles based on materials known as piezoelectrics, which convert the kinetic energy of motion into electricity. ...
Nov 22, 2009 |
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Nuclear weapons: Predicting the unthinkable
If a nuclear weapon were detonated in a metropolitan area, how large would the affected area be? Where should first responders first go? According to physicist Fernando Grinstein, we have some initial understanding to address ...
Nov 22, 2009 |
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