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	Perpetual motion - Wikipedia, the free encyclopedia
		Perpetual motion machines (the Latin term perpetuum mobile is not uncommon) are a class of hypothetical machines which would produce useful energy in a way which would violate the established laws of physics.
		Perpetual motion machines are divided into two subcategories defined by which law of thermodynamics would have to be broken in order for the device to be a true perpetual motion machine.
		Machines which claim not to violate either of the two laws of thermodynamics but rather claim to generate energy from unconventional sources are sometimes referred to as perpetual motion machines, although they do not meet the standard criteria for the name.
	en.wikipedia.org /wiki/Perpetual_motion (1507 words)

	Perpetual motion : Perpetual motion machine (Site not responding. Last check: 2007-10-08)
		Perpetual motion machines are a class of hypothetical machines which produce energy "from nowhere." The existence of a perpetual motion machine is impossible according to current known laws of physics.
		Perpetual motion machines are divided into two subcategories, referred to as perpetual motion of the first kind and perpetual motion of the second kind.
		The invention of perpetual motion machines is a favourite pastime of many crackpots[?], who often come up with elaborate Rube Goldberg machine designs which may appear to work on paper at first glance, but which have various flaws or obfuscated external power sources that render them useless in practice.
	www.city-search.org /pe/perpetual-motion-machine.html (715 words)

	Gravity Wheel
		A machine that would continuously yield more energy than it consumes is considered by some experts to be a third type of perpetual motion machine.
		In the Encyclopedia Britannia the definition for perpetual motion goes as follows: it is a machine which once set in motion will continue that motion non stop without any outside input of energy,added to that description such machine have to do useful work as well, and it was doing exactly that.
		The constructor became very famous and he received a certificate acknowledging his wheel was the perpetual motion machine, stating that the sufficient precautions had been taken, to ensure that the performance of the machine was not due to fraud.
	astrosa.8k.com /jan (2602 words)

	Why there aren't any Perpetual Motion Machines
		Perpetual motion machines are machines that are supposed to disobey one of the laws of thermodynamics.
		And usually this second machine should be a perpetual motion machine for the same reasons as the first machine.
		The gradient of the pressure / temperature curve for the boiling point is the one that disallows this perpetual motion machine.
	burtleburtle.net /bob/physics/whythere.html (1330 words)

	Orffyreus (Bessler) and his perpetual motion machine (Site not responding. Last check: 2007-10-08)
		The Encyclopedia Britannica describes perpetual motion as "the action of a device that, once set in motion, would continue in motion forever, with no additional energy required to maintain it." Such devices are impossible on grounds stated by the first and second laws of thermodynamics.
		Perpetual motion, although seemingly impossible to produce, has fascinated both inventors and the general public for hundreds of years.
		The enormous appeal of perpetual motion resides in the promise of a virtually free and limitless source of power.
	www.spartechsoftware.com /dimensions/mystical/Orffyreus.htm (2179 words)

	AllRefer.com - perpetual-motion machine (Physics) - Encyclopedia
		perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics.
		A machine that would completely convert heat from a warm body into work, without letting any heat flow into a cooler body, would violate the second law of thermodynamics, which is concerned with entropy changes, and is known as a perpetual-motion machine of the second kind.
		There were a number of early attempts to design and construct various types of perpetual-motion machines; however, since the 19th cent., when the laws of thermodynamics became understood, most such attempts have been abandoned.
	reference.allrefer.com /encyclopedia/P/perpetua.html (202 words)

	The Museum of Unworkable Devices
		Perpetual motion machine proposals are often dismissed by scientists in a manner that appears to the layperson as hasty rejection using dogmatic assertions that such machines are prohibited from working by the "laws of thermodynamics".
		So they are examples of "perpetual motion" (moving forever), but in the physics literature they aren't called "perpetual motion machines" That term is reserved for a device that would violate one or more of the laws of thermodynamics.
		If an assumed (virtual) motion of the machine results in a final state of the system (the machine and its interactive environment) indistinguishable from its initial state, and zero net work is done on the system during this motion (no work in; no work out) then that assumed motion will not occur.
	www.lhup.edu /~dsimanek/museum/unwork.htm (9106 words)

	Perpetual Motion
		Machines violating the second law of thermodynamics are perpetual motion machines of the second kind, and so forth.
		Perpetual motion machines are ordinarily of the first or second kind.
		Perpetual motion machines of the second kind operate by extracting energy at some point in their cycle, use it for work, yet have everything return to an original state unchanged at the end of the cycle.
	www.kilty.com /pmotion.htm (8486 words)

	Johann Bessler - Orffyreus - Perpetual Motion?
		"The internal structure of the machine is of a nature according to the laws of mechanical perpetual motion, so arranged that certain disposed weights, once in rotation, gain force from their own swinging, and must continue this movement as long as their structure does not lose its position and arrangement."
		It is evident in the ceaseless flow of rivers, the incessant tides, the movements of the earth and heavenly bodies, the constant motion of atoms and their constituents.
		In these instances such machines cannot be regarded as purely artificial perpetual motion, but rather as a combined perpetual motion because their motion is assisted by nature.
	www.besslerwheel.com /pm.html (309 words)

	[No title]
		To the inventor who is convinced that PMM is possible, no experimental failure will serve to dissuade him, for he always has a whole litany of excuses to point to that prevented his success, which he's confident he can "fix" with just a bit more tinkering.
		PMM inventors, and other "alternative science" proponents, flatter themselves that they are able to see truths that mainstream scientists are too "blind" to see.
		Some PMM inventors say they realize that achieving perpetual motion will turn the world's economy on its head, but it must be done to save humanity from the fate of energy depletion and world-wide starvation.
	www.lhup.edu /~dsimanek/museum/psych.htm (3583 words)

	Redheffer's Perpetual Motion Machine
		Their intent was to inspect his machine in order to determine whether he should be granted the funds he had requested.
		Redheffer had explained to the inspectors that his perpetual motion machine was providing the energy to power another, separate machine through a set of interlocking gears.
		Fulton noticed that the machine was wobbling slightly, and he deduced from this observation that the machine was being supplied its power by a hidden hand-crank.
	www.museumofhoaxes.com /redheffer.html (553 words)

	No. 33: Perpetual Motion
		hen we talk about a perpetual motion machine, we usually mean a machine that produces power without being fed an even greater amount of power in a different form -- say an engine that produces electrical energy without eating up even more energy in the form of coal.
		Your eyes tell you that perpetual motion obviously is possible.
		People suggested perpetual motion machines based on static electricity, surface tension, magnetism, hydrostatic forces, and so on.
	www.uh.edu /engines/epi33.htm (525 words)

	Russian scientists create perpetual space motion machine - PRAVDA.Ru (Site not responding. Last check: 2007-10-08)
		The Russian research institute of space systems develops a perpetual motion machine, which could be used both on Earth and in space.
		Specialists believe that it will be possible to achieve better results, if the machine is tested in space, or if it is dropped down in a deep shaft, where the fall creates the effect of weightlessness.
		Russian scientists believe that it will be possible to use the machine to control and correct the orbits of spacecrafts and space stations.
	english.pravda.ru /printed.html?news_id=14588 (382 words)

	[No title]
		But these popular histories of perpetual motion too often present inventions as "freaks and curiosities" of engineering without telling us just how they were understood at the time.
		The inward structure of the wheel is of a nature according to the laws of mechanical perpetual motion, so arranged that by disposed weights once in rotation they gain force from their own swinging, and must continue their movement as long as their structure does not lose its position and arrangement.
		The perpetual motion survived; it has still its advocates; Professor 's Gravensande and John Bernoulli maintained its practicability, the former giving his testimony in favor of Orffyreus' machine, after a long and scrutinous examination.
	www.lhup.edu /~dsimanek/museum/people/people.htm (5313 words)

	Perpetual Motion (Site not responding. Last check: 2007-10-08)
		A Perpetual Motion Machine of the Second Kind is a device that extracts heat
		A Perpetual Motion Machine of the Third Kind is a device which has a
		perpetual failure of these devices led to the idea of energy conservation.
	www.phact.org /e/z/miltperp.htm (1307 words)

	Eric's history of Perpetual Motion and Free Energy Machines (Site not responding. Last check: 2007-10-08)
		made much money on a perpetual motion machine, tried to restrict scientific evaluation, but was eventually debunked.
		The machine was based on hidden air pressure tubes.
		After much fanfare, and delaying tactics his machine turned out to be a giant flywheel which was charged up with energy slowly and put out a lot of energy for just a second.
	www.phact.org /e/dennis4.html (3186 words)

	Perpetual motion machine -- why won't it work? - Creativity Pool (Site not responding. Last check: 2007-10-08)
		The motion of the water turns this propellor, thus generating electricity.
		It is a perpetual motion machine, something that science has determined to be physically impossible.
		If you could tranfer energy without any loss whatsoever then perpetual motion would be a snap, but the transfer of energy in any form always comes with losses.
	www.creativitypool.com /viewtopic.php?t=1960 (395 words)

	An Amusing Remark on Perpetual Motion Machine (1) - Topic Powered by Groupee Community
		This is the effect of the perpetual motion machine, which can be called Brownian perpetual motion machine.
		It accords with the definition of the perpetual motion machine of the first category.
		Namely, it is the perpetual motion machine of the first category.
	community.discoverychannel.ca /eve/ubb.x/a/tpc/f/36810831/m/35410041 (980 words)

	MadSci FAQ: Perpetual Motion
		Is the persistent direct current in a superconductor a form of perpetual motion?
		Separate from the theoretical idea of perpetual motion is the mechanical fallacy of the Perpetual Motion Machine.
		Perpetual motion is possible and I discovered it.
	www.madsci.org /FAQs/prpetual.html (230 words)

	Keely Motor Company 1884 ( Perpetual Motion Machine )
		He made a great show of guarding the secret of the motor he was developing to obtain power "from intermolecular vibrations of ether," and scientists and engineers scoffed at his unverified claims.
		Keely came up with what he claimed was a hydro-pneumatic pulsating vacuo engine, which the press labelled as a perpetual motion machine.
		However, as he could never explain exactly how the machine worked, the Public eventually turn against him and he was denounced as a fake and a fraud.
	www.scripophily.net /keelmotcom18.html (1948 words)

	Gryphon - Perpetual Motion Machine: Reviews, Track Listing, Audio Clips, and more \|\|\| Music.com (Site not responding. Last check: 2007-10-08)
		While its first CD featured only compositions by its leader, bassist Robert Davidson [+], Perpetual Motion Machine [+] offers a selection of "classics" (for lack of a better term) from the repertoire of the American Minimalists, with a few compositions from group members slipped in between.
		Surprising (and surprisingly convincing) is the arrangement for quintet of fellow Australian Elena Kats-Chernin's "Variations in a Serious Black Dress," originally scored for piano and recorded in 2000 by Lisa Moore [+].
		Perpetual Motion Machine [+] is a very good album overall, one that will lead aficionados of American Minimalism to a couple of discoveries.
	music.com /release/perpetual_motion_machine/2 (432 words)

	Crank Dot Net \| perpetual motion
		The notion of perpetual motion is interesting from the perspective of history of science and technology, for it illustrates both the search for a perfect machine and the development of our modern understanding of the energy principle in physics.
		Besides, perpetual motion machines and their inventors provide a case study of human psychology: ingenuity, persistence, optimism and fanatism, even in the face of repeated failures."
		This is not about Perpetual Motion machines like those of the great Swindler (John Keely) who according to the History books and the Encyclopedia Britannica fooled a multitude of people.
	www.crank.net /perpetual.html (1686 words)

	perpetual-motion machine on Encyclopedia.com (Site not responding. Last check: 2007-10-08)
		(inventor fights for patent on machine that generates more energy than it takes in from external sources)
		PERPETUAL MOTION MACHINE JOSEPH BLAKE IS THE DYNAMO DRIVING THE CHAMBER OF COMMERCE
		PERPETUAL MOTION MYSTERY IS SOLVED - OR IS IT?(LIFE)
	www.encyclopedia.com /html/p1/perpetua.asp (319 words)

	Perpetual Motion Machine (realized?) (Site not responding. Last check: 2007-10-08)
		If cintrifical force can overcome gravity we would have a machine powered by gravity itself.
		If that's a huge issue I have no Idea, however perhaps a second engine could run behind the first in a counter rotation with the power stroke going oposite.
		Moreover (getting even more complex) these two machines generating power in reverse directions attached together with a differential shaft in the middle might really rock...
	members.aol.com /gerbilwashere/myhomepage/newsletter.html (297 words)

	No. 527: Cox's Perpetual-Motion Machine
		For he seemingly succeeded in creating that great will-o-the-wisp, perpetual motion.
		That, he said, was perpetual motion of a similar kind.
		Machines that tap that reservoir don't violate physical laws.
	www.uh.edu /engines/epi527.htm (430 words)

	BesslerWheel.com :: View topic - Lisa Simpson's Perpetual Motion Machine? [ Guest ]
		Then, after re-looking at all the MT images (by the way thanks Bill) I came across a few that seemed to follow the same theme (correct me if any of you think I am wrong).
		PMM Designer/Inventor Extrodinair ;P - “Our ignorance is not so vast as our inability to use what we know.” - Dr. M.
		Compound lever devices don't work because they are no more than the sum of their parts, and since their parts conserve energy, then the whole thing does too.
	besslerwheel.com /forum/viewtopic.php?p=5819&... (1475 words)

	Finsrud #1 (Site not responding. Last check: 2007-10-08)
		The whole machine is placed inside a glass mount, to prevent visitors who view the machine in the gallery from touching it.
		This affects one of the pendulums and regulates its swinging motion.
		An estimate of the power: If we assume the ball would come to a complete stop after 30 seconds with a starting velocity of 1 m/s without the magnets, the energy of the ball: E = 0.5 * m * V * V = 5 Joule would be spent.
	www.keelynet.com /energy/finsrud.htm (641 words)

	Example Of Perpetual Motion Machine on Almondnet (Site not responding. Last check: 2007-10-08)
		Read about perpetual motion in the free online encyclopedia and dictionary.
		exhibited a machine which he claimed was a perpetual motion machine.
		When a cat is dropped, it always lands on its feet, and when toast is dropped, it always lands buttered...
	www.major-kitchen-appliances.co.uk /kitchen/example_of_perpetual_motion_machine.html (380 words)

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