Drop (liquid)
hideA drop or droplet is a small volume of liquid, bounded completely or almost completely by free surfaces. A drop may form when liquid accumulates at the lower end of a tube or other surface boundary, producing a hanging drop called a pendant drop. Drops may also be formed by the condensation of a vapor or by atomization of a larger mass of liquid.
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News tagged with droplets
Study sheds light on microscopic flower petal ridges
Dec 22, 2009 |
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(PhysOrg.com) -- Microscopic ridges contouring the surface of flower petals might play a role in flashing that come-hither look pollinating insects can't resist. Michigan State University scientists and colleagues ...
Governments turn to cloud seeding to fight drought
Space & Earth / Earth Sciences
Dec 10, 2009 |
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(AP) -- On a mountaintop clearing in the Sierra Nevada stands a tall metal platform holding a crude furnace and a box of silver iodide solution that some scientists believe could help offer relief from searing ...
Nanoparticle protects oil in foods from oxidation, spoilage
Nanotechnology / Nanomaterials
Dec 08, 2009 |
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(PhysOrg.com) -- Using a nanoparticle from corn, a Purdue University scientist has found a way to lengthen the shelf life of many food products and sustain their health benefits.
Lasers used to make first boron-nitride nanotube yarn (w/ Video)
Nanotechnology / Nanomaterials
Dec 02, 2009 |
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(PhysOrg.com) -- Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to ...
Danish nanowires have great potential
Nov 02, 2009 |
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Danish nanophysicists have developed a new method for manufacturing the cornerstone of nanotechnology research - nanowires. The discovery has great potential for the development of nanoelectronics and highly ...
The lotus's clever way of staying dry (w/ Video)
Oct 22, 2009 |
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An ancient Confucian philosopher once said, "I love the lotus because while growing from mud, it is unstained."
Opposites attract -- but they may not stay together
Sep 24, 2009 |
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(PhysOrg.com) -- Opposites may always attract. But they may not remain together long-term. In a counter-intuitive discovery published in the current edition of the journal Nature, researchers from Harvard, the Un ...
New Nanochemistry Technique Encases Single Molecules in Microdroplets
Sep 22, 2009 |
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(PhysOrg.com) -- Inventing a useful new tool for creating chemical reactions between single molecules, scientists at the National Institute of Standards and Technology have employed microfluidics -- the manipulation ...
Scientists pinpoint protein link to fat storage
Sep 17, 2009 |
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A protein found present in all cells in the body could help scientists better understand how we store fat.
Study on effect of electricity on liquids bucks conventional science (w/ Video)
Sep 16, 2009 |
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(PhysOrg.com) -- Whether gazing into lava lamps or watching balsamic vinegar mix with olive oil, people have long been transfixed by the seemingly mystical way that droplets of one liquid find each other within ...
Needle-free, inhalant powder measles vaccine could save thousands of lives
Aug 16, 2009 |
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The first dry powder inhalable vaccine for measles is moving toward clinical trials next year in India, where the disease still sickens millions of infants and children and kills almost 200,000 annually, according ...
Cosmic meddling with the clouds by seven-day magic
Space & Earth / Earth Sciences
Aug 01, 2009 |
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Billions of tonnes of water droplets vanish from the atmosphere, as if by magic, in events that reveal in detail how the Sun and the stars control our everyday clouds. Researchers of the National Space Institute in the Technical ...
Raindrops keep falling on your head -- but they burst first
Jul 20, 2009 |
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For generations, schoolchildren have been taught that raindrops start as micro-droplets that then gather together in clouds with their neighbours to become bigger droplets.
Scientists Create Smallest Ever Droplet of Acid, Solve Ozone Puzzle
Chemistry / Analytical Chemistry
Jun 25, 2009 |
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(PhysOrg.com) -- In its atomic form, chlorine can destroy vast quantities of ozone. But exactly how chlorine is created in the ultracold conditions of the stratosphere has puzzled scientists. Now, a team of ...
Streaming sand grains help define essence of a liquid (w/ Video)
Jun 24, 2009 |
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University of Chicago researchers recently showed that dry granular materials such as sands, seeds and grains have properties similar to liquid, forming water-like droplets when poured from a given source. ...
