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Wolfdog (3)

Sphere Factory

Spherical Voronoi diagram of world airports [more inside]
posted by Wolfdog on May 8, 2014 - 42 comments

David Bradley, IBM engineer, and father of the three-finger salute

David Bradley is an engineer, one of the 12 strategists who worked around the clock to hammer out a plan for hardware, software, manufacturing setup and sales strategy for the first IBM PC from 1980-1981. At that time, Bradley and others were tired of wasting time rebooting the system without powering it down. So, one day he had something like "write keyboard shortcut to reboot system" on list of things to do, and Control-Alt-Delete was created. Years later, he said "I may have invented it, but I think Bill made it famous." (YouTube) [more inside]
posted by filthy light thief on Aug 8, 2013 - 21 comments

The number of constituent particles in one mole of a given substance.

Avogadro Project - The International Avogadro project relates the kilogram to the mass of a fixed number of atoms by measuring the number of atoms in a sphere of silicon. I'll leave this here.
posted by hypersloth on Jun 8, 2013 - 26 comments

To die for

Behold Jennifer Asperheim's dice collection.
Look at Joe Barberchecheck's dice collection.
Ogle Justin Michell's dice collection.
[WARNING pictures of thousands of dice, I wouldn't visit on anything other than a desktop machine.]
Bonus: World’s Oldest d20.
posted by unliteral on Feb 28, 2013 - 20 comments

Nick Sayers Makes Spheres.

Nick Sayers makes spheres.
posted by Gator on Aug 16, 2011 - 10 comments

Never will another spitwad go unpunished.

Ever wish you had eyes in the back of your head?
posted by kaibutsu on Feb 20, 2008 - 12 comments

...the models live in the curved space of the hypersphere...

Here are some beautifully rendered views of polytopes, and a few more. The rendering program, Jenn 3D, is free and downloadable, (OS X, Linux, Win) and includes some really dazzling fly-about and camera effects as well as tons of high-dimensional models to explore. There's also a mind-boggling possibility of playing Go on boards in projective space. Via the Math Paint blog, which leads to other interesting places...
posted by Wolfdog on Jun 2, 2007 - 13 comments

More interesting looking than the sum of its parts

STEAM. Australian artist Donna Marcus uses kitchenware to make geodesic spheres to be placed in conspicuous locations.
posted by Burhanistan on Mar 1, 2007 - 16 comments

CGSphere.

The sphere. A simple object. Primitive. Round.
The CGSphere Project is simply this: What can you do with a round object in your 3D world?
Gallery here

Contributors have tried to create the most captivating 3d sphere, using their choice of software.
My favorites: My Precious. No Way Out. Solar Radiometer. Idea in a Cage. Sputnik. Hunter Killer. Don't Do it. mini adventure. Corals. Pin Ball. Spy Hole.
posted by filmgeek on Dec 23, 2006 - 19 comments

Every spherical football is a branched cover of the standard one.

Bending a soccer ball - mathematically. Found via Ivars Peterson's short exposition on Braungardt and Kotschick's The Classification of Football Patterns [pdf, technical].
posted by Wolfdog on Aug 17, 2006 - 18 comments

The Apple G5 SPHERE!

The Apple G5 SPHERE! SPHERE! It's Round! It's hella'fast. Get to the page before Apple sics the lawyers on them and makes this great page vanish. If someone has already posted this sorry, I haven't seen it, but I'm pretty new...so there you go.
posted by Dome-O-Rama on Oct 26, 2001 - 48 comments

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