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Nazeeruddin Ikram
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The Millennium Falcon - in detail.
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This ones for you +Nick Josef 
Our top five picks for armchair generals
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The Logarithmic Spiral
An interesting property of the logarithmic spiral is revealed if you roll it along a horizontal line. This animation shows the curves traced by points on the spiral, and note that the very centre follows the path of a straight line. The angle between this line and the horizontal is called the pitch of the spiral, and for our spiral galaxy the pitch is around 12 degrees.

http://www.2dcurves.com/spiral/spirallo.html
http://pastebin.com/D3z4z6Bt (code)

via: http://goo.gl/vLsLdA

#math   #geometry   #logarithmic_spiral  
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Here is an animated gif illustrating an earth year of the solar system, based on data source provided by NASA,  and made by Dynamic Diagrams. 

There is also a much better, interactive version assembling an Orrery that illustrates the positions of the planets and moons in our solar system and allows a user to view their alignment at any given date in the past or present.

#solarsystem #spacegif #animatedgif    
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Have him in circles
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Map of the Internet

> This ridiculously intricate map charts out the hidden geography and scope of the internet, ranging from assigning proportional landmass to the world's most popular websites, to drawing out the large swaths of free-flowing spam, to creating a color-coded look at the strength of internet surveillance.

From: http://the9988.deviantart.com/art/Map-of-the-Internet-1-0-427143215

More: http://io9.com/this-map-of-the-internet-is-not-just-super-detailed-bu-1513335397

cf. http://xkcd.com/802/
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A hyperbolic tessellation in Poincaré’s disk model, using only regular heptagons (light blue). Connecting the midpoints of adjacent heptagons gives a tessellation with hyperbolic equilateral triangles (dark blue), in groups of seven around common vertices.

This kind of hyperbolic patterns, published by mathematician Harold Coxeter, inspired Maurits Escher to his famous Circle Limit woodcuts.
http://users.ugent.be/~jebossae/index.php

#poincare   #tessalation   #hyperbolic   #triangle  
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A name that rolls off the tongue when thinking about space: the famous Orion Nebula (M42), 1500 light years from Earth and our nearest stellar assembly line in the cosmos.
As if a jazzy stellar belt was not already enough to monopolise our attention, below it Orion further works his luminous magic by revealing a weapon to the stargazer whose gleam across light years of space guarantees our eyes roam no further afield in the night sky. This is a small sword whose broadening blade has custody of the magnificent Orion Nebula. This beautiful ‘flower-like’ star incubator reveals itself to eyes well-acclimatised to the dark as the lowermost point of light but one, down at the sword’s tip.

Image credit: Ljubinko Jovanovic via Wikimedia Commons
http://www.armaghplanet.com/blog/wonders-of-the-january-night-sky.html
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The timekeeper by Helmut R. Kahr
The Rostock astronomical clock is a fifteenth-century astronomical clock in St. Mary's Church, Rostock, Germany. The medieval clock is the only one of its kind still in working condition with its original clockworks. #clock #astronomy #rostock
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Have him in circles
218 people
Mark Potomac's profile photo
Abhishek Kapadiya's profile photo
田畑一樹's profile photo
Russ Abbott's profile photo
Michel fraubert's profile photo
Sathya S Sheelan's profile photo
Rhona Grace's profile photo
Adrian Lefler's profile photo
Occupy Gainesville's profile photo
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Autodidact, geek and news junkie.
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Fell off the thrid floor unscathed and lived to tell the story.
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