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The perfect billiards break

What would happen if a cue ball struck a rack of 15 perfectly round, frictionless billiard balls, exactly head-on?
posted by escabeche on Feb 3, 2014 - 31 comments

Teahupo'o... ohhh... whooooah!

As Teahupo'o gains notoriety as one of the biggest monsters in the surfing world, the tiny area it covers gets more and more crowded. If you want to dig some fingernail-marks into the armrests of your chair, watch 2013's Inside the Monster (25:43, French with English Subtitles). Then, explore The Mechanics of Teahupo'o in this slideshow about what makes this slab tick. [previous, previous]
posted by not_on_display on Oct 1, 2013 - 12 comments

Park Tool's bicycle repair help and education pages

Major bicycle tools manufacturer Park Tool maintains a neatly sorted bevy of repair, maintenance and technical information articles. Their lead mechanic Calvin runs a video channel that includes -- among many other things -- on-the-road bicycle repair tips. Even more bike info (new bike assembly procedures, road and mountain bike positioning charts, thread concepts, drive train troubleshooting, etc.) is available on the miscellaneous topics page. Don't forget to check out the bicycle mechanics language spreadsheet!
posted by cog_nate on Feb 28, 2013 - 15 comments

Powerful Portraits of Workers at Femme Auto in Senegal

Photographer Anthony Kurtz visited Femme Auto in Senegal and took portraits of the mechanics and auto body workers there. They're really gorgeous shots, and it's always great to see badass women doing it to it in a male dominated field. (Via)
posted by infini on Feb 17, 2013 - 17 comments

Leonardo Interactivo

The Royal Spanish Library has put online today an interactive version of Leonardo da Vinci's Madrid Codices I & II. There are transcriptions of the text (in Spanish and Italian, click "T" on the bottom menu), animations of many of the mechanical contraptions (click play button "ver animacion") and the "Indice" in the bottom menu organizes the folios by theme.
posted by Marauding Ennui on Oct 30, 2012 - 3 comments

If before intercourse the boy can cover up his contempt, he can go ahead without feeling too guilty

Why Boys "Lose Respect" [more inside]
posted by twoleftfeet on May 22, 2012 - 76 comments

Pretty good for a bunch of plastic blocks

Lego Antikythera Mechanism [more inside]
posted by empath on Dec 9, 2010 - 28 comments

The cutaway drawing and its artists

The cutaway drawing and its artists. Enjoy. [more inside]
posted by clorox on Dec 3, 2010 - 15 comments

Watch

How a watch works in the clear, precise 1949 informational style.
posted by DU on Sep 8, 2010 - 21 comments

R.I.P. Arnol'd

The great[pdf] Russian mathematican Vladimir Igorevich Arnol'd, foremost modern practitioner of classical mechanics, influential teacher, namesake of a minor planet, and semi-nude cross-country skier has died.
posted by ennui.bz on Jun 11, 2010 - 10 comments

Steve Durnin's D-Drive

Steve Durnin's D-Drive is a fascinating new infinitely-variable transmission that doesn't use friction components or a clutch of any kind. Video of a prototype with detailed explanations is included.
posted by odinsdream on May 15, 2010 - 44 comments

The Mechanical Universe on Demand

The Mechanical Universe...and Beyond is a critically-acclaimed series of 52 thirty-minute videotape programs covering the basic topics of an introductory university physics course. This well produced and highly informative 52 episode series, hosted by David Goodstein of Caltech, is available as Video on Demand (Note: simple registration required to view videos). [more inside]
posted by FuturisticDragon on Feb 6, 2008 - 28 comments

Does this mean we get to fly?

Physicists have 'solved' mystery of levitation Professor Ulf Leonhardt and Dr Thomas Philbin, from the University of St Andrews in Scotland, have worked out a way of reversing ... the Casimir force, so that it repels instead of attracts. Their discovery could ultimately lead to frictionless micro-machines with moving parts that levitate. But they say that, in principle at least, the same effect could be used to levitate bigger objects too, even a person.
posted by MythMaker on Aug 19, 2007 - 30 comments

Reversible Flow

Reversible flow! In the 1960s, the National Committee for Fluid Mechanics Films produced a series of films for education in fluid mechanics. This clip is part of "Low Reynolds Number Flow"; you can find the entire collection streamed here. Interesting demonstrations abound. (1st link is QT; rest are RealPlayer.)
posted by Upton O'Good on Aug 17, 2007 - 19 comments

The astronomical clock of Besancon

The astronomical clock in the French city of Besancon is quite a mechanical marvel. Built in 1860, its inner workings are comprised of more than 30,000 interoperating pieces, driving 37 separate clockface gauges. It is one of the finest intersections between art & mechanics that I've ever come across.
posted by jonson on Jul 4, 2006 - 12 comments

Hmm....

Does dark matter exist? Dark matter has been suggested as a solution to the galaxy rotation problem where individual stars don't seem to rotate the way Newton's laws would predict. Now, some scientists are saying that observations fit with Einstein's general relativity, without any dark matter needed. I just find it amazing that no one has tried this yet.
posted by delmoi on Oct 10, 2005 - 45 comments

SymmetryLab

Machine by SymmetryLab: fixed points, spinners, pistons, elastics, and connectors. Dig the frictionless world.

SymmetryLab's other stuff is noteworthy as well.
posted by gramschmidt on Apr 30, 2005 - 5 comments

Hydrostatics, Pneumatics and Hydraulics, oh my!

An Industrial Art Gallery Is it just me, or do you find hand-drawn mechanical diagrams capturing concepts of physics strangely soothing?
posted by cosmonik on Jan 18, 2005 - 23 comments

How engines work.

How engines work. This isn't new but it's a great resource for the mechanically minded and the mechanically challanged as well. It includes animations and step by step descriptions of how most existing engines work, from Steam Locomotive to Jet Propulsion. Simple yet informative.
posted by talos on Mar 11, 2002 - 18 comments

Really, really nice...

Really, really nice... lots of lovely devices...
posted by Spoon on Nov 21, 2001 - 6 comments

Future of computing - Light or Molecules?
posted by tiaka on Jun 23, 2001 - 5 comments

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