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A 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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Blogs for Droplets

Water Droplets — Blogs, Pictures, and more on WordPress

A tank inside a water droplet ... Photography - Macro Water Droplets Series No 1 — 19 comments ... Water Droplets And Black Holes — 1 comment ...en.wordpress.com/tag/water-droplets/

Droplets — Blogs, Pictures, and more on WordPress

... wrote 1 month ago: sadly neglected blog, this, but I have been quite busy ... Photography - Macro Water Droplets Series No 1 — 19 comments ... frosted droplets ...en.wordpress.com/tag/droplets/

How to photograph macro water droplets splashes (Website Design Tips)

... Internet and Technology blog " ... For all droplets and spashes seen on this page, I've used a Canon ... The next post in this blog is How to use a wacom ...www.hypergurl.com/blog/photography/water-droplets-splashes.h...

Water Droplets - Karthik Vijayakumar's Weblog

Karthik Vijayakumar ... Blog. About. Contact. Off Technology, People and Governance - Reckon a Change! ... My Blog Feeds Moved - Nothing much changes though! ...blog.karthikvijayakumar.com/

Droplets | IT Management and Cloud Blog

Cloud Droplets #53 One Man's Smoke is Another Man's Cloud Posted in droplets Cloud Droplets #52 - Even Lazy Jellyfish, do it. Let's Fall inwww.johnmwillis.com/droplets/

Wikipedia About Droplets

Water%20drop%20animation%20enhanced%20small.gif

A 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.

Surface tension

Liquid forms drops because the liquid exhibits surface tension.

A simple way to form a drop is to allow liquid to flow slowly from the lower end of a vertical tube of small diameter. The surface tension of the liquid causes the liquid to hang from the tube, forming a pendant. When the drop exceeds a certain size it is no longer stable and detaches itself. The falling liquid is also a drop held together by surface tension.

Pendant drop test

In the pendant drop test, a drop of liquid is suspended from the end of a tube by surface tension. The force due to surface tension is proportional to the length of the boundary between the liquid and the tube, with the proportionality constant usually denoted \gamma. Since the length of this boundary is the circumference of the tube, the force due to surface tension is given by

\,F_{\gamma} = \pi d \gamma

where d is the tube diameter.

The mass m of the drop hanging from the end of the tube can be found by equating the force due to gravity (F_{g} = mg) with the component of the surface tension in the vertical direction (F_{\gamma} \sin \alpha) giving the formula

\,mg = \pi d \gamma \sin \alpha

where α is the angle of contact with the tube, and g is the acceleration due to gravity.

The limit of this formula, as α goes to 90°, gives the maximum weight of a pendant drop for a liquid with a given surface tension, \gamma.

\,mg = \pi d \gamma

This relationship is the basis of a convenient method of measuring surface tension, commonly used in the petroleum industry. More sophisticated methods are available when the surface tension is unknown that consider the developing shape of the pendant as the drop grows.

Droplet

The term droplet is a diminutive form of 'drop' - and as a guide is typically used for liquid particles of <500 µm diameter. In spray application, droplets are usually described by their perceived size (i.e., diameter) whereas the dose (or number of infective particles in the case of biopesticides) is a function of their volume. This increases by a cubic function relative to diameter (π.d3/6000 to convert µm into picolitres); thus a 50 µm droplet represents a dose in 65 pl and a 500 µm drop represents a dose in 65 nanolitres (65,450 pl).

Search results for Droplets

The Surprising New Science of Splashes | LiveScience

Air plays a previously unknown role in controlling how a ... With less atmospheric pressure, the drops squish down without fragmenting into tinier droplets. ...www.livescience.com/forcesofnature/050407_splash_science.htm...

Droplets Platform Brings GUIs to the Internet

The Droplets platform uses Java technology to enable developers to combine the Web's ubiquity with a desktop GUI. ... Droplets have the same deployment model ...java.sun.com/features/2002/08/droplets.html

Droplets - definition of Droplets by the Free Online Dictionary ...

Information about Droplets in the free online English dictionary and encyclopedia. ... When the quartz crystallized, it trapped tiny droplets of water. ...www.thefreedictionary.com/Droplets

Monitoring Oil and Water Droplets in Natural Gas Pipelines

Monitoring Oil and Water Droplets in Natural Gas Pipelines - Jonas, Inc. has developed an instrument specifically for the detection and monitoring of oil and water ...www.steamcycle.com/droplets.htm

Droplets - NexTag.com

Compare Cheap Prices for Droplets at NexTag.com. Find Bargains on Appliances, Furnishings and More for your Kitchen, Bedroom and Yard.www.nextag.com/droplets/search-html

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News about Droplets

County man treated for swine flu

Tri-Lakes TribuneA Douglas County man is one of the first people in the state to be diagnosed with the swine flu virus.http://coloradocommunitynewspapers.com/articles/2009/05/11/t...

Southlake takes precautions

Southlake TimesA growing number of people across the nation have been diagnosed with swine influenza, a strain of Type A flu virus, fear is growing is could spread. The number of confirmed cases by the Centers for Disease Control and Prevention is at 16 and one child has died with the disease.http://www.southlaketimes.com/articles/2009/05/11/southlake_...

Swine Flu: A Primer

Health ScoutWhat exactly is the swine flu? "Swine influenza is a known cause of flu in pigs. But once in a while, through mutations, it can acquire the ability to attack humans," Ericsson explained.http://www.healthscout.com/news/1/626966/main.html

Vaccine, drugs only way to fight virus

The Times of IndiaWhat are viruses? Viruses are neither living organisms nor non-living things because they show properties of both. Like other living organisms they can reproduce, but only when they are inside a living cell. Unlike all other living beings, viruses cannot convert energy and grow.http://timesofindia.indiatimes.com/Health--Science/Vaccine-d...

"DIPLOCOCCI" BACTERIA CAUSING MENINGITIS IN MELAKA

Bernama via Yahoo! Malaysia NewsMELAKA, May 10 (Bernama) -- The Health Ministry has identified the diplococci bacteria to have caused meningitis to trainees of the Road Transport Department (JPJ) Academy in Tiang Dua, here, resulting in one death last week.http://malaysia.news.yahoo.com/bnm/20090510/tts-liow-meningi...

News about Droplets

Body pulled from Mississippi River still unidentified

Minneapolis Star TribuneTattoos include an eagle on his right shoulder, barbed wire with blood droplets on his right biceps, and a heart on his left forearm. Also, surgical hardware was in his right cheekbone. No determination has been made about how he ended up in the river ... http://www.startribune.com/local/44548897.html?elr=KArksLckD...

Body of tattooed man found in Mississippi identified

Minneapolis Star TribuneIn particular, the office noted they he had tattoos of an eagle on his right shoulder, barbed wire with blood droplets on his right biceps, and a heart on his left forearm. Also, surgical hardware was in his right cheekbone. A sister of Manifold's ... http://www.startribune.com/local/44649932.html?elr=KArks:DCi...

No evidence flu virus in pigs can infect meat-FAO

ForbesMore than 1,000 people have been infected with the virus that is thought to spread through sneezes, coughs and droplets like the common flu. WHO labs have confirmed 26 deaths from H1N1, all but one in Mexico, the epicentre for the outbreak. Canadian ... http://www.forbes.com/feeds/reuters/2009/05/05/2009-05-05T12...

UPDATE 1-WHO says flu pandemic remains at level 5 of 6

ReutersFukuda said governments should do all they can to get ready for possible infections with the H1N1 strain, which spreads through coughs, sneezes, and air droplets. "This is a time in which we can work with countries to be as prepared as possible," he ... http://www.reuters.com/article/marketsNews/idUSL758549120090...

A(H1N1) flu spreads, but slowly

Philadelphia Inquirer ... connection between the cases shows how easily a flu virus can spread," Robert Gogats, Burlington County's health officer, said in a statement. "Everyone can help to reduce the spread of this virus, which is commonly spread by respiratory droplets, by ... http://www.philly.com/inquirer/health_science/daily/20090507...

Search results for Droplets

Droplets - Wetpaint Central

Central help and community resource for Wetpaint. FAQs, Help, Tips, News, and more! - Dropletshttp://www.wetpaintcentral.com/page/Droplets

Droplets - definition of Droplets by the Free Online Dictionary ...

drop·let   (dr p l t) n. A tiny drop. droplet. Noun. a very small drop of liquid. Thesaurus Legend: Synonyms Related Words Antonyms. Noun: 1. droplet - a tiny drophttp://www.thefreedictionary.com/Droplets

Droplets - Resources

MyDroplets is a free Web top account service we offer to demonstrate how Droplets-based applications can be accessed from any computer with a browser and Internet connectivity.http://forum.droplets.com/resources/mydroplets.asp

Droplets - definition of Droplets in the Medical dictionary - by the ...

droplet. very small drop of fluid. droplet nuclei. the finite particles of matter which are transmitted from animal to animal.http://medical-dictionary.thefreedictionary.com/Droplets

Liquid Sculpture - Water Drop Art

Droplets of milk make fascinating splashes. It was one of Harold Edgerton's lifelong pursuits to capture "the perfect" milk splash. His image of a drop of milk splashing on a red ... http://www.liquidsculpture.com/

Wikipedia results for Droplets

Drop (liquid) - Wikipedia, the free encyclopedia

In spray application, droplets are usually described by their perceived size (i.e., diameter) whereas the dose (or number of infective particles in the case of biopesticides) is a ... http://en.wikipedia.org/wiki/Droplets

Cloud - Wikipedia, the free encyclopedia

A cloud is a visible mass of droplets or frozen crystals floating in the atmosphere above the surface of the Earth or another planetary body. A cloud is also a visible mass ... http://en.wikipedia.org/wiki/Clouds

Droplets (programming environment) - Wikipedia, the free encyclopedia

Droplets is a programming environment for creating network-based computing applications. Competing technologies include Abstract Window Toolkit, Java Web Start and AJAX.http://en.wikipedia.org/wiki/Droplets_(programming_environme...

Water-in-water emulsion - Wikipedia, the free encyclopedia

An emulsion is two immiscible liquids mixed together (by shaking for example) with small droplets of one liquid dispersed (separated and distributed throughout the space) in the ... http://en.wikipedia.org/wiki/Water-in-water_emulsion

Graupel - Wikipedia, the free encyclopedia

Graupel (also called soft hail) refers to precipitation that forms when supercooled droplets of water condense on a snowflake, forming a 2–5 mm ball of rime; the snowflake acts ... http://en.wikipedia.org/wiki/Graupel
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Droplets

DropletsOne of my favorite songs by two of my favorite artists! Colbie Caillat and Jason Reeve's beautiful song...Flash - Video

Colbie Caillat and Jason Reeves - D...

Colbie Caillat and Jason Reeves - DropletsShot at night on a bluff overlooking the Beach in Malibu, Colbie and Jason wanted to return to where they had written the song to make a simple music video for the songFlash - Video

Water Droplets in Zero Gravity

Water Droplets in Zero GravityNot your familiar properties of water on Earth.Flash - Video

levitating water droplets

levitating water dropletsAn object does not need to be superconducting to levitate. Normal things, even humans, can do it as well, if placed in a strong magnetic field. Although the majority of ordinary...Video - Video

Photoshop CS4: Droplets

Photoshop CS4: DropletsIn this video, Howard demonstrates how to create a droplet in Photoshop CS4. For more tutorials, head to TutCast.comQuickTime - Video

Answers for Droplets

Pev DHow would water droplets on the inner walls of a burette affect the determined concentration of a solution?Pev DIf you are trying to measure the volume of liquid very accurately, you do not want any liquid left in the burrette after you have emptied a measured amount into a beaker. In this case, you will not h...homerdsHow can 1 remove concrete droplets that dried on glass & other automobile surfaces without scratching it?homerdsOn the windows, use a plastic razor blade from the paint store. On paint, you can try products like a clay bar, and cleaner wax. Both are supposed to remove stuck-on road grime without damaging paint....Randy BHow do I remove silicon chalk droplets and smudges from granite countertop?Randy BShapr razor blade to slice it off the surface.brandon bDo air santizers such as Oust work against the water droplets that are released when a toilet flushes?brandon bIt will probably work to some extent, but I wouldn't rely on it to be the only defense against "sneeze effect toilet germs." To be technical, they are still waterbourne germs, the water just happens ...AKHow to reduce water droplets formation on smooth aluminum surface?AKMove the disc faster Cover the disc with something that water adheres to less Spin the disc Heat the disc to evaporate the water Absorb the water (Wipe the disc as it is being removed) Use gravit...
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