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Topic: Spirograph

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Spirograph Nebula

Kenner

	BeBits - Spirograph
		"Spirograph" is a plastic toy which allows to create a nice-looking spiral curves.
		Originally "Spirograph" was invented in 1962 by British engineer Denys Fisher (1918 - 2002), during his research on a new design for bomb detonators for NATO.
		This is "Spirograph v1.5" with included Readme, which was also updated to v1.5.
	www.bebits.com /app/3466 (828 words)

	Spirograph by Kenner - Sam's Toybox
		The Spirograph drawing toy by Kenner was among the coolest toys from my youth.
		Here is the Spirograph refill kit which includes paper, a new drawing baseboard, and guides for 70 new patterns.
		This is a Spirograph clone called the Super-Circle Designer by Lisbeth Whiting.
	www.samstoybox.com /toys/Spirograph.html (639 words)

	SpiroGraph (Site not responding. Last check: 2007-10-26)
		Distance of Point (reflector) from the center of Circle2, the circle of radius r.
		Speed at which the SpiroGraph is drawn, with 0 being the slowest and 10 being the fastest.
		Changing the value of this button will determine whether or not your SpiroGraph is drawn automatically (any change in value will result in your SpiroGraph being drawn) or manually ("Draw" Button must be pressed in order to create your SpiroGraph).
	www.math.psu.edu /dlittle/java/parametricequations/spirograph/index.html (390 words)

	Spirograph
		We color the successive line elements of a spirograph to see how the point moves as a function of time.
		Spirographs had an important application in the 1940s, when they were used for the "manual" solution of polynomial equations of higher degree.
		and the corresponding spirographs were monitored using an oscilloscope.
	documents.wolfram.com /v5/Demos/Notebooks/Spirograph.html (335 words)

	Spirograph
		The number of teeth on the wheel and the circle determine the shapes of the patterns made by the spirograph.
		Modular arithmetic also allows us to calculate the number of revolutions of the spirograph that are needed to close the pattern.
		In the spirograph, when the modulus is zero the pattern repeats exactly.
	www.exo.net /~pauld/activities/spirograph/Spirograph.html (2112 words)

	LASER SPIROGRAPH (Site not responding. Last check: 2007-10-26)
		The laser spirograph consists of 2 mirrors attached to two motors.
		The viewer's eye-brain system holds on to the light it receives for a fraction of a second after the dot has moved on, leaving a pattern in the viewer's brain.
		The laser spirograph traces a path similar to the computer generated hypocycloid in our Hypocycloids exhibit.
	nths.newtrier.k12.il.us /academics/math/connections/perception/spiro.htm (159 words)

	Spirograph/Spirotot - Nostalgia Central
		The weird thing about Spirograph was that you never knew when you were finished.
		Many parents actually confiscated Spirograph because older kids used to stick their younger siblings with the little bubble-headed pins which you used to hold the circley plastic bits down with.
		I love the way parents thought they were being fantastic by buying 'art' toys like Spirographs, and not guns and stuff, thus making their child a loving and creative one.
	www.nostalgiacentral.com /pop/spirograph.htm (249 words)

	Spirograph Simulator (Site not responding. Last check: 2007-10-26)
		Changing the values of R1, R2, and R3 allows you to explore the space of Spirograph patterns (using only R1 and R2) and Trirograph patterns (using R1, R2 and R3).
		The display of Spirograph and Trirograph patterns is controlled using the options on the right-hand side.
		For example try: R1=44 R2=-22 R3=60.3, notice that the Spirograph is a vertical line, while the Trirograph pattern is a complex interlaced oval pattern.
	people.arch.usyd.edu.au /~rob/publications/thesis/spirograph (185 words)

	BBC - Cult - I Love Spirograph (Site not responding. Last check: 2007-10-26)
		That was the cry that went up across the land when the Spirograph was released in 1965 to the delight of parents everywhere.
		Made for ages five and up, the Spirograph was a great unisex toy for all ages.
		Once the Spirograph bug had bitten it wouldn't take long until whole houses could be decorated in pieces of paper covered in mad swirls and sweeps.
	www.bbc.co.uk /cult/ilove/years/1965/toys1.shtml (197 words)

	Spirograph Paper Plate Picture Frame
		This project ends up looking remarkably like the spirograph pictures we used to make when I was young.
		Now change the initial spacing of the spirograph and do a second one in a complimentary color.
		You'll notice on the diagram that I've shown as many slits as are on a clock (12 slits).
	www.dltk-holidays.com /mom/mspirograph.htm (410 words)

	Spirograph: spirographs (Site not responding. Last check: 2007-10-26)
		You must turn on Java or have a Java-enabled browser such as Firefox or Microsoft IE to be able to see this applet.
		A Spirograph is a curve formed by rolling a circle inside or outside of another circle.
		If you'd rather have a spirograph made of atoms rather than bits, you can buy one at Amazon.com: try this or this.
	www.wordsmith.org /~anu/java/spirograph.html (330 words)

	Math.com Wonders of Math (Site not responding. Last check: 2007-10-26)
		A Spirograph is formed by rolling a circle inside or outside of another circle.
		These scroll bars change the red, green and blue values of the color (in the range 0-255) respectively.
		The last scroll bar lets you choose the number of iterations for the Spirograph.
	www.math.com /students/wonders/spirographs.html (176 words)

	Bluejake: Shower Spirograph
		The flashlight writing that I did on the last Night in the Life pictures inspired me to set up a little spirograph action in the bathroom of my apartment.
		Shower Spirograph When I was a kid one of the toys I always wanted was a Spirograph.
		I eventually got one, but I was in my late 20's at the time.
	www.bluejake.com /archives/2003/11/05/shower_spirograph.php (272 words)

	Spirograph (Site not responding. Last check: 2007-10-26)
		A Spirograph is basically two gears, one that is called ring, inside which another one -the disc- rolls.
		The spirograph has a rational relation between the radii of the disc and the ring, therefore, it eventually completes a cycle.
		In the spirograph, it is suggested to shift one cog the disc and begin another cycle.
	michelle.esfm.ipn.mx /~mrspock/spiro (371 words)

	APOD: 2004 October 17 - IC 418: The Spirograph Nebula
		APOD: 2004 October 17 - IC 418: The Spirograph Nebula
		Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
		Spirograph Nebula for its resemblance to drawings from a
	antwrp.gsfc.nasa.gov /apod/ap041017.html (137 words)

	Math Games
		Spirograph games are a mathematical marvel invented back in the 1960s and made into a very popular toy using plastic gears to make endless colorful designs.
		Pattern blocks are made up of a few simple colorful shapes, but can quickly and easily create some of the most amazing intricate designs ever known.
		Packing puzzles have been around for centuries and come in every shape and size imaginable including cubes, spheres, squares and stars.
	www.softgame.net /math-games.htm (173 words)

	Bluejake: Spirograph 2.2
		I'd like to do other versions of the spirograph- maybe one on the roof at night.
		And also using different light sources- perhaps a laser pointer, various LED lights, etc....
		Posted by: Arlee at December 20, 2003 8:27 PM Posted by: Arlee at December 20, 2003 8:32 PM Hey, I thought you were jewish.
	www.bluejake.com /archives/2003/12/21/spirograph_22.php (153 words)

	Spirograph (Site not responding. Last check: 2007-10-26)
		Habitat (link) had one of these on show in their Tottenham Court Road store, and it tapped into all the stuff I was already thinking.
		Lesley Halliwell (link) exhibited Spirograph art at one of the strangest galleries in the world - a taxi (link) in the front garden of a Cambridge house.
		The great thing about Spirograph is that, like the Op Art of Bridget Riley and others, it looks mathematical but really it's by experimentation of colour and scale that the right visual effects are made.
	www.creen.demon.co.uk /spirograph.html (447 words)

	Poise.cc - Shop: Spirograph tote
		She came to my studio, poked through my fabric and squealed when she pulled this spirograph fabric out of a pile.
		I pulled out accent fabrics, ribbons, and webbing and the most painless custom order just magically came together.
		None of the content within may be reproduced without authorized permission.
	www.poise.cc /shop/products/spirograph_tote.php (288 words)

	Spirograph Keychain : Stupid.com
		To begin, the background on this web page was drawn with a Spirograph Keychain.
		If your parents really loved you, you probably had a Spirograph at some point in your childhood.
		Though it's been reduced to keychain size, you can churn out intricate doodles with just a pencil and some wrist movement.
	www.stupid.com /stat/SPRO.html (126 words)

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