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Topic: Plasma globe

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	POWERLABS Plasma Globe page!
		There are many different ionization states for the gases found in plasma globes, but the important thing to know is that the electron must have a minimum amount of energy to be able to ionize an atom or molecule, and this energy is called "ionization potential".
		The ONLY way to change the color of the plasma is to change the gases inside the chamber, or increase the electrode voltage to increase the number of energy states possible (and therefore emission states, however, when you do this, the plasma color usually tends towards white or blue).
		In a globe, the plasma particle has an extremely short life (before it becomes a neutral particle again) due to the higher pressure and lack of magnetic confinement.
	www.powerlabs.org /plasmaglobes.htm (4607 words)

	News \| Gainesville.com \| The Gainesville Sun \| Gainesville, Fla. (Site not responding. Last check: 2007-10-26)
		Plasma lamps (also variously plasma globes, balls, domes, spheres, or orbs) are novelty items which were most popular in the 1980s.
		The plasma lamp was invented by Nikola Tesla after his experimentation with high frequency currents in an evacuated glass tube for the purpose of studying high voltage phenomena.
		Plasma lamps are mainly used as curiosities or toys for their unique lighting effects and the 'tricks' that can be performed on them by moving the hands around them.
	www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=plasma_globe (1198 words)

	Strattman Design: Pricing
		and existing globe units, and the particular power supply needed is based on the size (diameter) of your globe.
		Make sure the Globe is connected to the power supply unit.
		Warning: handle the Globe's wiring only when the power supply is unplugged because of the high voltage present.
	strattman.com /pricing.html (398 words)

	\E6 (Site not responding. Last check: 2007-10-26)
		The plasma globe is a modern electronic sculpture that uses an electric current flowing under a high potential to ionise a chamber of gases.
		The resulting plasma streamers are characterised in form by the nature of the electrical signal (usually a high frequency AC signal) and in colour by the type of gas used.
		If someone places their hand over the top of a plasma globe, the stands of plasma will be attracted to it, and the current will discharge to ground over the surface of the skin of the person's hand.
	www.physics.gla.ac.uk /~kskeldon/PubSci/exhibits/E6 (628 words)

	Plasmas
		Lightning bolts are visible plasma trails left by the passage of the electric current that formed it.
		As stated in the definition, plasma is a gaseous type of state where the matter making the plasma consists of electrically neutral and charged particles.
		Within the plasma tendril, all the collisions with energetic particles readily move atoms and ions from their ground atomic level to an excited level.
	www.4physics.com /phy_demo/plasma1.htm (853 words)

	NationMaster - Encyclopedia: Lantern
		For example, lanterns with red and green globes were placed on the sides of ships to mark port and starboard, while lanterns with clear globes were used to indicate the ship was at anchor.
		The 300,000-watt Plasma Arc Lamp in the Infrared Processing Center (IPC) at Oak Ridge National Laboratory An arc lamp is a device that produces light by the sparking (or arcing, from voltaic arc or electric arc) of a high current between two carbon rod electrodes.
		An eight-inch (20 cm) diameter plasma globe The effect of a conducting object (such as a hand) in close proximity to the plasma globe glass The central electrode of a plasma globe.
	www.nationmaster.com /encyclopedia/Lantern (2620 words)

	NASAexplores 5-8 Lesson: (Teacher Sheets)
		The plasma state is not related to blood plasma, the most common usage of the word; rather, the term has been used in physics since the 1920s to represent an ionized gas.
		Although plasma includes electrons and ions and conducts electricity, it is macroscopically neutral: in measurable quantities, the number of electrons and ions are equal.
		The charged particles are affected by electric and magnetic fields applied to the plasma, and the motions of the particles in the plasma generate fields and electric currents from within.
	www.nasaexplores.com /show_58_teacher_st.php?id=030410101246 (766 words)

	Plasma Globes
		Plamsa tubes are similar to plasma globes except the glass is in the shape of a tube, which can be formed into almost any shape, simple or creative.
		A plasma device, whether it is a tube or a globe, is a sealed glass piece that has what we call a "plasma" gas mixture inside.
		The term "plasma" is technically any ionized gas in a discharge tube (fluorescent lights, neon tubes, etc.) In this case it refers to a specific lighting effect.
	www.lightenergystudio.com /plasma/plasmaglobes/plasmaglobes.html (742 words)

	PowerPedia:Plasma - PESWiki
		In physics and chemistry, a plasma is typically an ionized gas, and is usually considered to be a distinct phase of matter in contrast to solids, liquids, and gases because of its unique properties.
		The electron plasma frequency (measuring plasma oscillations of the electrons) is large compared to the electron-neutral collision frequency (measuring frequency of collisions between electrons and neutral particles).
		The dynamics of plasmas interacting with external and self-generated magnetic fields are studied in the academic discipline of magnetohydrodynamics.
	peswiki.com /index.php/PowerPedia:Plasma (4612 words)

	How to make a simple plasma globe
		Since these bulbs are filled with gases to prevent the filament from corrosion and make it much brighter, you can ionize the gas in the bulb and turn it to a plasma globe.
		Your globe won't look as mysterious as original ones but it's worth to take a look at it.
		So run your globe only for a short period, in a well ventilated place, avoiding to touch the bulb, and at an optimum voltage so it won't break and hurt you.
	tacashi.tripod.com /elctrncs/splglobe/splglobe.htm (427 words)

	What is Plasma?
		Plasma is a phase of matter distinct from solids, liquids, and gases.
		Some plasmas are very low temperature, like the intergalactic medium, while some are very high temperature, like the center of a star.
		Plasmas measuring millions of degrees Kelvin have been produced in tokamak reactors, donut-shaped plasma traps.
	www.wisegeek.com /what-is-plasma.htm (412 words)

	Plasma Globe effects on geiger counter ? (Site not responding. Last check: 2007-10-26)
		Thanks for your time, Interesting side note: The guy who sold me my plasma globe would place a loop of steel guitar string around the globe and the tip of the wire would emit a continuous spark up to 1/2" long to conductive materials, it would arc to any material that was conductive (people included).
		I never played with this aspect of the globe after my purchase because someone told me it was bad for the globe.
		The manual for their globe said not to wear rings or allow metal to contact the globe during operation (my used globe had no manual).
	www.talkaboutscience.com /group/sci.physics.plasma/messages/3169.html (546 words)

	UM Physics Demonstration
		The plasma globe is similar to a Tesla coil in air, but smaller and safer.
		Be careful because the power supply is capable of supplying enough current to the plasma to burn a hole in the glass.
		The neon or mercury discharge tubes may be held near the globe and will excite due to the energy transmission from the power supply through the plasma.
	www.physics.lsa.umich.edu /demolab/demo.asp?id=816 (116 words)

	Jacobs Ladder, Plasma Tornado, Plasma Burning Pen, Plasma Gun, Plasma Globes, Plasma Displays, Plasma Columns, Plasma ...
		The field of plasma, often referred to as "natures fourth state of matter" can range from the simple plasma display globe to the to the complex and high power study of thermo nuclear fusion.
		A plasma is a gas where the individual atoms have been charged by stripping them of electrons.
		Plasma energy emitting device is very useful for testing fluorescent and any other gas discharge lamp without removal from the socket.
	www.amazing1.com /plasma-devices.htm (1312 words)

	Re: luminglas
		The power source is connected between the electrode (that ball on a stick, in the middle of the globe) and the conductive layer on the globe's surface.
		When you touch the globe you are in fact adding your self into the whole plasma globe electric circuit.
		When this capacitive reactance is properly summed with the resistances of the globe conductive layer and your body (R1 and R2), you will notice that there is a much lower resistance at this point where your finger is than there was before it was there.
	www.madsci.org /posts/archives/oct98/904790818.Ph.r.html (783 words)

	Plasma Spheres / Lightning Globes
		Plasma spheres are those glass globes with lightning bolts (or sometimes fuzzier streamers) streaming from a central electrode towards the surface.
		High voltage is applied to an electrode in the center of the globe.
		Typical voltages are around a few thousand volts for most commercial plasma globes, sometimes around 10,000 volts for some homebrew ones.
	members.misty.com /don/plaspher.html (1357 words)

	Matias Plasma Globe (Site not responding. Last check: 2007-10-26)
		That turns into Q2 requiring only a minimal heatsink, what is a noticeable benefit compared with the majority of plasma globe designs, typically drawing several amperes and demanding huge heatsinks.
		The globe itself consists in a chemistry glass bottle with a PVC cap.
		The Plasma Globe is still waiting for a decent enclosure and a neon fill...
	circuitos.cl.tripod.com /curiosidades/plasma.htm (276 words)

	bit-tech.net \| Plasma globe mod - Plasma globe mod
		The globe was hot glued into the base of the sculpture, and a single wire ran from a transformer on the inverter board up into the center electrode of the plasma globe.
		A few minutes with a utility knife took care of the plasma globe, and four self tapping screws held the inverter to the plastic base plate.
		The globe will sit proud of the bracket, but not slide out the front bezel hole because its diameter is a little too large.
	www.bit-tech.net /article/95 (939 words)

	Halfbakery: Plasma Globe HeadGear
		It occured to me while posting an annotation to 'Vue-Brain' that my idea of a plasma globe head covering wouldn't be dependent at all upon the vue-brain requirement of a clear head, and so I'm posting it here.
		The outer shell would be a clear plastic of some type sufficient to contain the plasma gas yet transmit the required electrostatic imbalance so as to get a field response.
		Plasma globes operate at voltages in the range of about 20K-40K, depending on the gas used, the pressure, and the length of the arc.
	www.halfbakery.com /idea/Plasma_20Globe_20HeadGear (449 words)

	Matias Plasma Globe
		That turns into Q2 requiring only a minimal heatsink, what is a noticeable benefit compared with the majority of plasma globe designs, typically drawing several amperes and demanding huge heatsinks.
		The globe itself consists in a chemistry glass bottle with a PVC cap.
		The Plasma Globe is still waiting for a decent enclosure and a neon fill...
	www.elisanet.fi /dncmrc/pglobe.htm (276 words)

	POWERLABS Homebuilt Plasma Globe!
		The objective of this project is simple: To produce the best plasma globe possible given the resources available.
		This globe is meant to be used as a decorative piece for eventual exhibition, and should therefore be made presentable (nice base, no hanging wires, etc), safe (all H.V. parts enclosed, and shatter-proof glass).
		Note: Tesla Coils are far from ideal power sources for plasma globes: The arcs are very hot and tend to move around and rise very quickly, making a rather frantic display.
	www.powerlabs.org /plasmaglobe.htm (956 words)

	Fred's World of Science: Plasma (Site not responding. Last check: 2007-10-26)
		The coil is dipped in wax and wrapped in electrical tape and dipped again to try and increase the dielectric strength of the outer layers of the coil.
		Since the plasma globe's capacitance changes as hands and other objects are placed on the glass, the resonance and coupling change as well.
		The plasma is being excited with 50000 volts from the center electrode.
	www.niell.org /Plasma.html (573 words)

	Plasma Globe - Plasma TV's and LCD TVs
		The complete plasma globe page: How they work, how to build your own, and how to change the characteristics of the plasma discharges.
		So I was browsing through Computer City a few years ago and came across a copy of "Electronics Now" which had a picture of a Plasma Globe on the front.
		Each plasma globe responds to music with a dancing display of lightning...
	www.about-plasma-tvs.com /Plasma-Globe.html (380 words)

	plasma globe (Site not responding. Last check: 2007-10-26)
		The complete plasma globe page: How they work, how to build your own, and how to change the...
		Table Of Contents: Intro : An overview of what a plasma globe is, who invented it, and where you...
		The effect of a conducting object (such as a hand) in close proximity to the plasma globe glass
	www.einehandvollgras.de /29-plasma-globe.html (198 words)

	Greg's Homemade Plasma Globe Page (Site not responding. Last check: 2007-10-26)
		So the output is AC, not rectified, which is essential for a plasma globe.
		RF current is nessisary because the glass 'globe' does not pass dc current (like a capacitor).
		In order to evacuate the globe, we needed a good tight seal and a way to valve off the pump so that we could hook it up to the AC power.
	www.angelfire.com /80s/sixmhz/globe.html (282 words)

	Electric Rain Bulletin Board: Post A Reply
		One will be "Tutorials") The "Worldwide Globe" tutorial is the one I'm talking about.
		Plasma uses "Parametric deformers", which in this case basically boils down to an automatic command (bend) that sets text to a path.
		So specifically, "bending" text around a globe, meaning it automatically adjusts the rotation of the text to go around a curved surface, but does not alter the actual mesh.
	www.erain.com /cgi-bin/ultimatebb.cgi?ubb=reply;f=10;t=000364;replyto=000002 (287 words)

	Mini Plasma Globe - Science Gifts - Edmund Scientific
		Big plasma technology in a new small size.
		This mini plasma lamp works just like a regular plasma globe with flickering tendrils of energy lashing out that are attracted to your fingertips only smaller and less expensive.
		So if you've ever wanted a plasma globe of your very own but didn't want to pay the price, this economical alternative will light up your life.
	www.scientificsonline.com /product.asp_Q_pn_E_3053547&cr=1507 (113 words)

	Plasma Ball Light VDL8PLU
		Electron beams of lightening radiate from a sphere centered in the plasma to the inside surface of the 8 inch globe.
		This plasma ball light can be set to display a continuous stream of lightening tentacles, or can be set to respond in flashes to the rhythm of loud music.
		The tentacles of plasma light also respond to the touch of your hand on and near the globe.
	www.apogeekits.com /plasma_ball_vdl8plu.htm (292 words)

	Larry Albright
		14 inch and larger globes may be fabricated with stainless steel emitter in the center with company logos or certain designs, at approximately $250 extra.
		, a 12 inch plasma globe on a cabinet with a hand cranked generator to allow you to make your own electricity.
		All crackle tubes and plasma globes are guaranteed for a period of one year.
	www.plasma-art.com /Compset21jul95.html (905 words)

	TeslaBoys Plasma Globe Projects
		The Plasma Blue effect is created by filling the plasma globe with a mixture of Neon and Xenon noble gases and lowering the pressure in the plasma globe to approximately -20 in Hg.
		If one places a fluorescent light bulb near the plasma globe it will light up as a result of the RF being emitted from the device.
		The Plasma Green effect is created in a similar manner, but uses a mixutre of Neon, Xenon, and Krypton noble gases.
	www.teslaboys.com /Plasma/index.html (390 words)

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