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Topic: Pitch drop experiment

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	The World's Longest-Running Experiments \| LiveScience
		The pitch drop test did win Parnell a posthumous "Ig Nobel" award in 2005, given out for achievements in science that "first make people laugh, and then make them think." Accepting on his behalf was co-winner John Mainstone, a retired UQ physicist and official custodian of the experiment since Parnell's death.
		One of the longest-running experiments in the United States, a set of agricultural test-fields at the University of Illinois at Urbana-Champaign, is currently celebrating its 130th anniversary.
		No one has ever seen a drop fall in Thomas Parnell's pitch experiment, even though the experiment is displayed prominently in a bell jar in the lobby of the university's physics department.
	www.livescience.com /othernews/060824_longest_experiments.html (838 words)

	Pitch drop experiment - Wikipedia, the free encyclopedia
		The pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years.
		Pitch is the name for any of a number of highly viscous liquids which appears solid, most commonly bitumen.
		The experiment began in 1927 when Professor Thomas Parnell of the University of Queensland in Brisbane poured a sample of pitch into a sealed funnel and allowed it to settle for three years.
	en.wikipedia.org /wiki/Pitch_drop_experiment (327 words)

	Pitch (resin) - Wikipedia, the free encyclopedia
		Pitch is the name for any of a number of highly viscous liquids which appear solid.
		The pitch drop experiment taking place at University of Queensland is a long-term experiment which measures the flow of a piece of pitch over many years.
		Pitch was traditionally used to help caulk the seams of wooden sailing vessels (see shipbuilding).
	en.wikipedia.org /wiki/Pitch_(resin) (233 words)

	Encyclopedia: Pitch (resin) (Site not responding. Last check: 2007-10-10)
		Pitch is the name for any of a number of highly viscous Viscosity is a measure of the resistance of a fluid to deformation under shear stress.
		Pitch can be made from petroleum Petroleum (from Greek petra – rock and oleum – oil), crude oil, sometimes colloquially called fl gold, is a thick, dark brown or greenish liquid.
		Pitch produced from plants is also known as resin Resin is a hydrocarbon secretion of many plants, particularly coniferous trees, valued for its chemical constituents and uses such as varnishes and adhesives.
	www.nationmaster.com /encyclopedia/Pitch-(resin) (698 words)

	Pitch drop experiment Information
		The pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years.
		Pitch is the name for any of a number of highly viscous liquids which appears solid, most commonly bitumen.
		The experiment began in 1927 when Professor Thomas Parnell of the University of Queensland in Brisbane, Australia poured a sample of pitch into a sealed funnel and allowed it to settle for three years.
	www.bookrags.com /Pitch_drop_experiment (300 words)

	The Pitch Drop Experiment
		This was done by measuring the mass of water needed to fill the beaker, into which the pitch drops fell, up to a convenient mark, and then (by measuring the dimensions of the beaker) determining the volume of water required to fill the beaker (if empty of pitch) up to the same mark.
		As indicated previously the pitch drop experiment is not kept in a temperature controlled environment and estimations of the actual temperature changes from 19 27 to the present time involve a lot of guesswork.
		Allowing the pitch drop result to be as low as 1x10^8 Pa s due to the possible effect of the pendant drop brings model VII into agreement with the experimental result.
	www.physics.uq.edu.au /physics_museum/pitchdrop.shtml (1601 words)

	Encyclopedia: Pitch drop experiment (Site not responding. Last check: 2007-10-10)
		Temperature is the physical property of a system which underlies the common notions of hot and cold; the material with the higher temperature is said to be hotter.
		The Ig Nobel Prizes are a parody of the Nobel Prizes and are given each year in early fall â€” around the time the recipients of the genuine Nobel Prizes are announced â€” for ten achievements that first make people laugh, and then make them think.
		Science experiments October 7 is the 280th day of the year (281st in leap years).
	www.nationmaster.com /encyclopedia/Pitch-drop-experiment (1100 words)

	HotAIR - The Latest on Long-Running Experiments (Site not responding. Last check: 2007-10-10)
		The third experiment, the Beverly clock at the University of Otago in Dunedin, was commenced in 1864.
		At the moment the pitch drop is at the end of the most recent drop (which has not quite dropped) and so at its most interesting point in almost ten years, if you consider watching pitch flow interesting.
		The experiment itself is in the foyer of the Parnell building, in front of two of our larger lecture theatres, so during the day the webcam also sees interested faces peering at the experiment.
	www.improbable.com /airchives/paperair/volume7/v7i3/long-run-7-3.html (835 words)

	pitch drop experiment
		It started in 1927 when Thomas Parnell, the first professor of physics at the University of Queensland in Brisbane, Australia, heated a sample of pitch (a derivative of tar) and poured it into a glass funnel with a sealed stem.
		Three years were allowed for the pitch to settle, then, in 1930, the sealed stem was cut.
		From that date on the pitch has slowly dripped out of the funnel –; so slowly that, up to the present time, only eight drops have fallen!
	www.daviddarling.info /encyclopedia/P/pitch_drop_experiment.html (129 words)

	[No title]
		PITCH DROP - a partial mini-musical by Eric Love In 1927 Professor Thomas Parnell at the University of Queensland started a now famous experiment to study extremely viscous liquid.
		He filled a funnel with pitch (a thick sort of tar) which has such a high viscosity that it moves though the funnel extremely slowly - so slowly, in fact, that when I heard about it in the latter part if 1999, the eighth drop was about to fall.
		When I heard about the Pitch Drop experiment, I imagined another dramatic scenario, where a group of students resolve that one of them should be present to witness the drop.
	users.chariot.net.au /~theloves/drop.htm (1249 words)

	Viscosity - Wikipedia, the free encyclopedia
		Viscosity is a measure of the resistance of a fluid to deformation under shear stress.
		One example of solids flowing which has been observed since 1930 is the Pitch drop experiment.
		The trace of the stress tensor is often identified with the negative of one third of the thermodynamic pressure, which only depends upon the equilibrium state potentials like temperature and density.
	www.wikipedia.org /wiki/Viscosity (1533 words)

	The Pitch Drop Experiment (Site not responding. Last check: 2007-10-10)
		The experiment demonstrates the fluidity and high viscosity of pitch, a derivative of tar once used for waterproofing boats.
		The experiment was set up as a demonstration and is not kept under special environmental conditions (it is actually kept in a display cabinet in the foyer of the Department), so the rate of flow of the pitch varies with seasonal changes in temperature.
		Video clip showing what pitch is like at room temperature and what happens when you hit it with a hammer.
	www.physics.uq.edu.au /pitchdrop/pitchdrop.shtml (390 words)

	Talk:Crystal - Wikipedia, the free encyclopedia
		Here at the University of Queensland, there is a physics experiment that has been taking place for some 80 years, involving a container of pitch.
		This so-called pitch drop experiment demonstrates this phenomenon of "liquid solids"; the container of pitch has a small hole in the bottom of it which allows the pitch to drip through it.
		In the 80 years the experiment has been running, I believe the pitch has dripped just seven times.
	www.wikipedia.org /wiki/Talk:Crystal (588 words)

	Digg - The Pitch Drop Experiment- The longest continuously running lab experiment
		From that date on the pitch has slowly dripped out of the funnel - so slowly that now, 72 years later, the eighth drop is only just about to fall.
		All the experiment data had been contaminated by a bunch of middle class hairdressers and telephone cleaners that crash landed some time around 2 million years ago.
		They had to cut the filming of the experiment short as the TV crews camera lights were so hot that it would have affected the experiment by making the pitch less vicous.
	digg.com /general_sciences/The_Pitch_Drop_Experiment-_The_longest_continuously_running_lab_experiment (1393 words)

	Comments on 17647 \| MetaFilter
		Pitch Drop Experiment, begun in 1927, drips pitch out of a funnel, at roughly one drop every ten years.
		Well, if that's the case, then pitch is a solid, too, since the Pitch Drop Experiment website has a photo and video which show that pitch, too, reacts to the impact of force with elastic deformation (namely, shattering).
		The experiment itself is an obvious example: the pitch is in a glass funnel.
	www.metafilter.com /mefi/17647 (1722 words)

	Dramatic Auditory Pitch Change Due to Dynamic Intensity Change (Site not responding. Last check: 2007-10-10)
		Auditory pitch is one of the principal sources of information used in tasks ranging from localizing and parsing acoustic agents to deciphering complex passages in music and speech.
		We propose the integrality of dynamic pitch and loudness reflects a natural correlation between change in frequency and intensity that is neurally encoded to facilitate processing of acoustic patterns.
		Graph shows percentage of times that the pitch drop of the Doppler tone was experienced as larger than that of the discrete comparison interval.
	www.public.asu.edu /~mmcbeath/mcbeath.research/Auditory/Auditory.html (467 words)

	News in Science - Frog-sniffing scientists win Ig Nobel - 07/10/2005
		The experiment is designed to show that pitch, which can be smashed with a hammer like a brittle solid, will actually flow like a fluid, if you leave it for long enough.
		There have only been eight drops since the experiment began, and scientists expect to wait about a decade between drops, says Mainstone, who took over custodianship of the experiment when Parnell died.
		The webcam is working again so you can view the pitch drop experiment live.
	www.abc.net.au /science/news/stories/s1476304.htm (645 words)

	Pitch drop experiment - Encyclopedia, History, Geography and Biography
		Pitch drop experiment - Encyclopedia, History, Geography and Biography
		This encyclopedia, history, geography and biography article about Pitch drop experiment contains research on
		Pitch drop experiment, Timeline, External links, Fluid dynamics and Science experiments.
	www.arikah.net /encyclopedia/Pitch_drop_experiment (334 words)

	WhiteBoard News for Wednesday, Jun 6, 2001
		The experiment was started by Professor Thomas Parnell, who died in 1947, with the experiment still in its infancy.
		Scientists estimate pitch is 100 billion times more viscous than water, is driven by gravity and is retarded by its extreme viscosity.
		Full details of the experiment are reproduced in the science periodical, the Annals of Improbable Research.
	www.joeha.com /wbnjun62001.htm (808 words)

	The Cellar - 6/4/2002: The pitch-drop experiment
		It doesn't look like much, but what you have there is a scientific experiment that has been in progress since 1927.
		Pitch, a derivative of tar, is very much like a solid, but a Queensland scientist wanted to prove that it has "fluidic" properties.
		He let the pitch "settle" for three years, and then in 1930 he cut the bottom off the funnel.
	cellar.org /showthread.php?t=1610 (484 words)

	The OpenScience Project » The Pitch Drop Experiment
		Thomas Parnell set up an experiment to measure the viscosity of pitch, a derivative of tar once used for waterproofing boats.
		The Pitch Drop Experiment is a glass funnel full of pitch suspended over a beaker.
		From the shape of the droplets, it is possible to estimate the viscosity of pitch.
	www.openscience.org /blog/?p=86 (231 words)

	Weblog Item (Site not responding. Last check: 2007-10-10)
		The latest information on several simple physics experiments that have been underway for decades in the foyers of physics departments around the globe.
		My favorite is the pitch drop experiment, where you can actually try your luck at seeing a drop of pitch fall via webcam.
		In the foyer of the Clarendon Laboratory in the University of Oxford is an electric bell which has been ringing almost continually since it was bought and first displayed in 1840....
	www.larkfarm.com /weblog_item.asp?LogID=1974 (131 words)

	New Scientist Breaking News - Penguins’ pooping power scoops Ig Nobel prize (Site not responding. Last check: 2007-10-10)
		Pitch is a thick fl tar which in theory is liquid, but seems to behave like a solid.
		The first drop took 8 years to fall, and the second took another nine.
		The eighth drop fell in 2000, and Mainstone is now waiting for the ninth.
	www.newscientist.com /article.ns?id=dn8108&feedId=online-news_rss20 (729 words)

	Physics and Astronomy Forums - Pitch Drop Experiment
		It is an interesting experiment kindly offered by member "zeker711" who is still writing his dissertation.
		The experiment illustrates just how viscous some materials are...that superficially they appear to be a solid but in realty they do have movement.
		This experiment was started by Professor Thomas Parnell [University of Queensland, Australia] in 1927 and is still operational.
	www.physlink.com /Community/Forums/printthread.cfm?Forum=17&Topic=3005 (217 words)

	The Friends of the Merril Collection - SOL Rising
		Pitch exhibits some of the properties of fluids, even though it is quite brittle at normal room temperatures.
		Parnell took some pitch, heated it and poured it into a funnel that was sealed at the bottom.
		The website contains a description of the experiment, and a link to a webcam that provides a live video image of the funnel and beaker, which are currently in a display case in the foyer of the university's physics building.
	www.friendsofmerril.org /sol27.htm (4002 words)

	One dog said to the other: Frog Sniffing and other igNobels
		Two professors from the University of Queensland won an award for the Pitch Drop Experiment.
		The experiment demonstrates the fluidity and viscosity of pitch at room temperature.
		The experiment started in 1927 and in all that time there have been only four drops.
	onedogsaid.blogspot.com /2005/10/frog-sniffing-and-other-ignobels.html (176 words)

	aiofe: My GOD! What a hectic week....So, Monday (Site not responding. Last check: 2007-10-10)
		I get into work, no email, no school intranet, and basically the internet in general about as fast as that pitch drop experiment in the physics building...yeah.
		Dropped grandma off home, did a bit of windowshopping, had dinner with mum and dad.
		Interview at 8am deeeeeep southside, dropping off stuff at bank to get the loan finalised, then to work and possibly to a contract signing in the evening.
	www.livejournal.com /users/aiofe/115642.html (682 words)

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