User:Wikkrockiana

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About Me

Friends and family say that I am addicted to Wikipedia (for some unknown reason). Thought I would make it official and let myself upload graphics too.

Prosit

To research

Geodesic weirdness

http://tekstaronline.com/monkeyhouse/geodesics/chordlength/


http://www.motherearthnews.com/arc/5284/

Spherical case

<math>d=\sqrt{2-2\{cos\theta_1cos\theta_2+cos(\phi_1-\phi_2)sin\theta_1sin\theta_2\}}<math>

General case

<math>d=\sqrt{r_1^2+r_2^2-2r_1r_2\{cos\theta_1cos\theta_2+cos(\phi_1-\phi_2)sin\theta_1sin\theta_2\}}<math>

<math>chord factor = 2sin \frac{\alpha}{2}<math>

strut length = chord factor x dome radius

http://www.netaxs.com/~cjf/fuller-faq-4.html

Here are the equations used for the the icosahedron:

   f= frequency
   n= number of rows
   A= face angle
   All numbers are in degrees

<math>2 sin^-1((sin((63.43494885/f)*n))*sinA))<math>

63.43494885=central angle of an icosahedron

That was the equation for getting the geodesic. The chord factors are done from those by the following equation:

     Angle= v 2sin (v/2)

Handy Equation

<math>(89875517873681764 Mass Meter^2)/(second^2)<math>

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Ed Toys

  • Geomag (http://www.amazon.com/exec/obidos/search-handle-url/store-name=imaginarium&index=imaginarium&field-brand=Geomag/102-0644367-2256153)
  • Educational Insights (http://www.amazon.com/exec/obidos/search-handle-url/store-name=imaginarium&index=imaginarium&field-brand=Educational%2520Insights/102-0644367-2256153)
  • Zometool (http://www.zometool.com)


Space Colonies

DS

  1. You're Only Old Once! : A Book for Obsolete Children New York: Random House, 1986.
  2. Oh, the Places You'll Go! New York: Random House, 1990.
  3. Hooray for Diffendoofer Day! New York: Alfred A. Knopf, 1998. By Dr. Seuss with some help from Jack Prelutsky & Lane Smith (posthumous)
  4. My Many Colored Days New York : Alfred A. Knopf: Distributed by Random House, 1998. by Dr. Seuss, paintings by Steve Johnson with Lou Fancher.
  5. Gerald McBoing Boing New York: Random House, 2000 (posthumous)

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Ernestine Rose

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Specialised tutorials<h3> <h3>Style and technique references<h3> Directory: Wikipedia:Style and How-to Directory <h3>Technical references<h3>

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