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August 14, 2007

Knife Hand Chop Bot

Knife.Hand.Chop.Bot (techyum)

The Robot is equipped with a knife that the Machine uses to s(t)imulate the test of courage - a kind of game known as "Mumblety-Peg". The User puts his/her hand into the Machine and starts the knife game at the push of a button. The knife starts to hit the space between the fingers, first slowly then continually getting faster. The Machine knows where to chop by receiving signals of a sensor that guides the knife to the place between the fingers.

Electric contacts are mounted on the support block of the Machine, where the hand is situated. These contacts are activated as soon as the first "nervous sweat" appears that turns the skin into a conductor. Subsequently the computer becomes disturbed by the electric current that is now transmitted via the skin.

This has two effects: on the one hand, sounds are generated by the closure of the contacts (circuit bending) that can either be interpreted as warning or act as an additional source of stress. On the other hand, they can have an effect on the position of the knife which is controlled by the computer and thereby hurt the potential perpetrator of the disturbance.

New tool tracks who is editing Wikipedia, uncovers sleaziness

See Who's Editing Wikipedia - Diebold, the CIA, a Campaign

On November 17th, 2005, an anonymous Wikipedia user deleted 15 paragraphs from an article on e-voting machine-vendor Diebold, excising an entire section critical of the company's machines. While anonymous, such changes typically leave behind digital fingerprints offering hints about the contributor, such as the location of the computer used to make the edits.

In this case, the changes came from an IP address reserved for the corporate offices of Diebold itself. And it is far from an isolated case. A new data-mining service launched Monday traces millions of Wikipedia entries to their corporate sources, and for the first time puts comprehensive data behind longstanding suspicions of manipulation, which until now have surfaced only piecemeal in investigations of specific allegations.

Wikipedia Scanner -- the brainchild of CalTech computation and neural-systems graduate student Virgil Griffith -- offers users a searchable database that ties millions of anonymous Wikipedia edits to organizations where those edits apparently originated, by cross-referencing the edits with data on who owns the associated block of internet IP addresses.

Wired has an expanding list of all of the sleazy edits users have found right here.

Space Station getting a back yard shed

What do you call a little building, next to a big one, that holds spare parts for the equipment and mechanisms inside the big one?
The Endeavour astronauts are working to robotically install a 7,000-pound equipment storage platform on the international space station today, a complex procedure requiring tight choreography between the shuttle and station robot arms.

Candybar -- Make your icons pretty

Panic - CandyBar 2 - Customize your Mac OS X...

August 13, 2007

The Writer's Database

The Writer's Database: Market and Submission Tracker

A free online application built to track literary markets and submissions, and to share your experiences with various markets with other writers.

*Thanks to Maureen for the link*

Artificial Bones made from 3D inkjet printer

Artificial bones made with 3D inkjet printers ::: Pink Tentacle

Researchers from the Tissue Engineering Department at the University of Tokyo Hospital and venture company Next 21 are using 3D inkjet printers to produce tailor-made artificial bones for use in facial reconstructive surgery. Following initial trials performed on a Welsh corgi and 10 people over the past year and a half, the researchers are set to begin a more extensive second round of human testing this autumn.

To make an artificial bone with this technology, a 3D computer model of the bone is first created based on the patient’s X-ray and CT scan data. The computer model is then sliced into a large number of cross-sections and the data is sent to a special 3D inkjet printer, which works sort of like an ordinary inkjet printer by transferring tiny droplets of liquid onto a surface. However, unlike ordinary printers that print on paper, this one prints onto thin layers of powdered alpha-tricalcium phosphate (alpha-TCP). The “ink” is a water-based polymer adhesive that hardens the alpha-TCP it comes into contact with. By repeatedly laying down the powder and printing successive layers on top of one another, the printer is able to physically reproduce the desired bone to an accuracy of one millimeter.

August 12, 2007

A Warcraft theme for your iPhone

A WoW iPhone theme - WOW Insider