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Estimating World GDP, One Million B.C. - Present
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The 11 types of sundials.
Software to calculate an analemma in case you want to
build an accurate sundial for your latitude.
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Spices and Their Costs in Medieval Europe.
"In Diocletian's (a Roman emperor) day a pound of ginger cost 5,000 days
wages (18.5 years, with 270 workdays per year); but in 1875, only 1.4
days' pay."
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This page has a few animated gif zoom-ins of electron
microscope images.
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The Map Room -- a weblog about maps.
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All of Vermeer's paintings in one place.
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The best UFO pictures ever faked taken!
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Function parser for C++.
Finally, an easy way to take a user-entered
string, such as "5*sin(x)+1", and evaluate it
on the fly.
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Many scans of Babbage's original blueprints for his legendary difference engine.
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Roadable Times.
The Internet Magazine Of
Flying Cars & Roadable Aircraft
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Semiotics for Beginners.
A Semiotic Analysis of Political Cartoons.
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Physics: The Standard Model Chart.
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The Sprint Anti-Ballistic Missile (1975).
"Within seconds, the missile reached a speed of Mach 10+,
and the extreme thermodynamic heating demanded sophisticated ablative shielding
(the nose was already glowing red-hot less than a second after launch)."
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A page with a self-explanatory title: Cool Rocket Pictures.
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Battle tactics for the RPG-7 rocket propelled grenade.
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Quotations on simplicity in software design.
"There's an old story about the person who wished his
computer were as easy to use as his telephone.
That wish has come true, since I no longer know
how to use my telephone.
-- Bjarne Stroustrup
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The Saturn V motherlode of technical data.
PDF scans of the Saturn V News Reference from 1968.
Over 100 pages separated across 15 files.
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Electoral Systems Index -- a detailed description of the various
democratic voting systems.
Table of voting systems by nation.
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Unreal Aircraft.
Illustrated database of experimental air-transportation concepts from the
past. Categories:
Q-BRANCH,
LOST CLASSICS,
WEIRD WINGS,
FLYING FOREVER,
BEATING GRAVITY,
HYBRID AIRCRAFT,
ROADABLE AIRCRAFT.
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Syntax Across Languages.
Extensive cross-reference that helps you translate functions, keywords, operators, etc
from one programming language to another. Useful if you're programming in a language
you're unfamiliar with.
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Take a sequence of slightly different sculptures, put them on a rotating platform,
flash a strobe at the proper frequency, and you have an animated sculpture.
- Gregory Barsamian creates some really large
ones based on dreams he's had (with pop-up Flash video).
- The 3-D Zoetrope displays the mathematical Costa-Torus metamorphosis.
- A Chris Eckert sculpture: Perpetual Labor (with animated GIF).
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Lengthy technical discussion on the development of the
H-1 and F-1 rocket engines. F-1's were the massive engines that propelled the
first stage of the Apollo Saturn V rocket.
Neat factoid: scientists would detonate small bombs in the engines (while they were running) to test
combustion stability.
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Straightforward rule for deciphering C statements like int (*fpa())[].
The "right-left" rule is a completely regular rule for deciphering C
declarations. It can also be useful in creating them.
[via]
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Various search engine ratings. Top four: google, yahoo, MSN, & AOL.
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Amazing. There may be a small portion of the population with
pseudonormal vision -- that is, they see red as green
and green as red. However, it's probably impossible to design an experiment to
determine if this is true, because these people (if they exist) would
call green red and red green.
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Brief history of the JavaScript (nee LiveScript) language.
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