A few months ago there was a list of links to classic video game emulators posted.
Very recently, I'm pleased to report, those links all came true
. The Internet Archive bespoke upon aforementioned consoles, computers, and mileposts on our way to the tech utopia of today, (seriously, where's my flying car?) and they asked us to do something: Imagine every computer that ever existed, literally, in your browser
. And it was so.
I have absolutely no affiliation with jscott
, btw. Thought I should disclose that.
posted by jdaura
on Oct 25, 2013 -
People have long been interested in the architectural endeavors of animals. The internal structure of bee hives, the hexagonal combs of wax, have been amongst these ponderings
, going back to Marcus Terentius Varro's Rerum Rusticarum Libri Tres
, a volume on
Roman farm management. He wrote, "The geometricians prove that this hexagon inscribed in a circular figure encloses the greatest amount of space
," and over the years, mathematicians have studied the hexagonal structures made by bees, and in 1998, Thomas Hales produced a mathematical proof for the classical hexagonal honeycomb conjecture
, which "asserts that the most efficient partition of the plane into equal areas is the regular hexagonal tiling." [more inside]
posted by filthy light thief
on May 21, 2013 -
may just be the most peaceful, beautiful 5-1/2 minutes of your entire day: An audio slideshow look at some of the winning images, guided by one of the judges, of the Royal Observatory in Greenwich's 2010 Astronomy Photographer of the Year competition. Interested in "giving it a go"? Here are some guides
to photographing different aspects of the night sky.
posted by spock
on Sep 11, 2010 -
, physicist, nuclear scientist, and designer of the deceptively tiny Davy Crockett nuclear recoilless rifle
, is not quite as famous as one of his other projects: nuclear spacecraft propulsion.
was intended as an interplanetary (and eventually interstellar) vehicle which could achieve Earth orbit with a series of 800 nuclear explosions, each detonated about a second after the other below the spacecraft. It would propel itself through space in a similar fashion, carrying many orders of magnitude more mass than chemical rockets such as the Saturn which would ultimately take men to the moon.
Taylor and others intended a mission to Mars by 1965, but the Partial Test Ban Treaty of 1963
destroyed all hope to see Orion take flight.
For the interested, "The Curve of Binding Energy"
goes into much more detail, including the U.S. Air Force's plan to turn Orion into a nuclear space battleship (!).
A youtube video of an Orion concept test using conventional explosives is here
(flight footage begins around 0:23).
posted by edguardo
on Feb 1, 2010 -
A 32,000 year old etching on an ivory mammoth tusk
is linked to the constellation Orion which may have been used as a primitive "pregnancy calendar" designed to estimate when a pregnant woman will give birth. The oldest known drawing of a star pattern, it was created by the mysterious Aurignacian people about whom we know next to nothing save that they moved into Europe from the east supplanting the indigenous Neanderthals.
posted by stbalbach
on Jan 26, 2003 -