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Exponential Binary Clock Countdown

Based on the Wheat and Chessboard problem, the Chess Board Clock is "a binary clock counting down 2 to the 63rd power in hundredths of a second". The first few squares go by super fast (a non-seizure mode is available) while the last square won't be reached for over 2 billion years. [via mefi projects]
posted by divabat on Apr 3, 2014 - 15 comments

How Grandmother Triode Stole Binary from the Sun

TRIODE.TXT
-------------------------------------------------------------------------
a story of people[0xCF36] as told by shaman.Accumulator.Overflows(true)
In the beginning, there were too many numbers, and nobody could tell exactly what they were. Everybody was confused about what was big and what was small, because everything was kind of big, but also kind of small. Nobody knew anything for sure....
posted by filthy light thief on Jan 27, 2013 - 22 comments

Time-filling links

Aldo Cortesi blogs about the interface between computer science and visualisation. He has found some interesting applications for space-filling curves: making colour maps of images and of executable binary files. A bit more work and one can visualise entropy in binary files. The cryptographic material sticks out like a sore thumb. [more inside]
posted by Talkie Toaster on Apr 24, 2012 - 19 comments

dit dit dit dit dah, purl one

Kristen Haring knits Morse Code (SLYT) (via)
posted by scruss on Nov 16, 2011 - 12 comments

Machines of Paper and Wood

Building a Computer 1: Numerals - recently my kids have been asking me about how computers work. I like to give in-depth answers to such questions, so we set out on a quest to understand how they work... Follow-up parts 2 3 4 5 6 7 8 9 10 11 12 13 14 15.
posted by Wolfdog on Oct 20, 2011 - 17 comments

Or like a computer. Or like an Egyptian computer.

Multiply like an Egyptian. (SLYT)
posted by overeducated_alligator on Dec 9, 2010 - 24 comments

Citizen Science for Epsilon Aurigae

Once every 27 years or so, the mysterious binary star system of Epsilon Aurigae undergoes an eclipse, lasting nearly two years. This gives this system the distinction of having both the longest eclipse and the longest period of any known binary system. However, it is not clear why the eclipses last so long, or even what the structure of the system actually looks like--the main star is a supergiant, with a radius as big as the distance from the earth to the sun, and yet its light is dimmed for two years by something yet bigger. The next eclipse is due to begin in August of 2009, and as part of the International Year of Astronomy in 2009, amateur astronomers are being called on to make their own observations of the changing brightness of Epsilon Aurigae. If you want to try it yourself, you can read the training guide to find out how to do your own observations and report them. In addition, the two scientists who organized observations of the previous eclipse both have webpages [1, 2] which are coordinating the organization for the upcoming observation. If you want to learn more about the science behind ε Aurigae, a good rundown with links to papers is available here.
posted by Upton O'Good on Jan 8, 2009 - 32 comments

01010010 01001001 01010000

If you are reading this post on a computer attached to the Internet, you can thank Claude Shannon (1916-2001). It was his work, starting with A Mathematical Theory of Communication, that first enabled humans to extract digital perfection from the analog world by creating the field of Information Theory. Like most computer nerds of his day, who often had to program their computers by moving wires around or even mechanical linkages, he was also an electronics and mechanical whiz who could create a juggling robot and The Ultimate Machine.
posted by DU on May 6, 2008 - 35 comments

wood+marbles=six bits

Matthias Wandel's astounding wooding calculatory enigma. A woodworker turns his talents to binary mathematics via a cunning series of cats-eyes, clinkers and rounders. Plus many other marbled wonders. [this might be marbles]
posted by boo_radley on Jun 26, 2007 - 40 comments

safe2pee

safe2pee.org: bathrooms for folks who don't fit the gender binary.
posted by serazin on Mar 16, 2007 - 193 comments

The Socratic Method

The Socratic Method: Teaching by Asking Instead of by Telling Transcript of an intriguing experiment to teach binary arithmetic to third graders using the Socratic Method - only asking questions. See also a demonstration of the socratic method with a man who procrastinates. Some background, Who Was Socrates?
posted by MetaMonkey on Feb 5, 2006 - 55 comments

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