Basically the magnetometer in the iPhone is exactly that. It measures the magnetic field. And it is very susceptible to local changing magnetic field monitors, CPUs, TVs, anything like that will affect it quite badly. By default, what you're measuring, of course, is the ambient magnetic field of the Earth. And that's how you can use it as a digital compass because there are tables that will draw up and show you how to do deviations from magnetic north to true north, depending on your latitude and longitude.

Stephen Timms explains (a bit) why the government wants to change the copyright act

You want to develop an iPhone app that interacts with Flickr content? This sounds pretty good. And the Flickr API provides you with an authorization workflow that is particularly adapted for this device. And Flickr members love their iPhones.

The name of the new project is Three20, after the 320-pixel-wide screen of the iPhone. The code is all hosted on github for your cloning pleasure. There is an excellent sample app called TTCatalog which lets you play with all of the various UI components. Documentation? Well… there are instructions for how to add Three20 to your project, but I am still working on comprehensive documentation for each of the classes. For now, the sample app and the code itself are your documentation.

For a long time, the Rails community has been thriving off of screencasts provided through Railscasts by Ryan Bates and many others. I am a big fan myself of these screencasts.

Now that I am a little better in with Ruby and Ruby on Rails, I am often asked how to do certain things. I wanted to have an outlet to share my knowledge and also allow others to contribute as well. This site provides that outlet.

My hopes are that we can build a community of teachers and students, and all grow in our knowledge in the process. I'm going to try to do a screencast once a week and I urge others to follow suit and help out.

From Netherlands-based design firm, NuFormer Digital Media, comes a new way of projecting three-dimensional images onto a building exterior. Custom-designed to fit any building façade and scale up to any size, the video mapped objects are made visible by a set of powerful projectors.

The MAYAns

We’re a design consultancy and technology research lab. At heart, we’re designers who have an intense desire to turn human experiences with technology products into positive, fruitful interactions. Our clients aren’t insulated from innovation by gatekeepers or handlers. Everyone at MAYA is a practitioner.

Abstract: It is widely accepted that in the foreseeable future the worldwide network of computing devices will grow to billions, or even tens of billions of nodes. However, if we broaden our consideration to include networks of information devices (all artificial systems that deal in any way with information), then we are likely to be faced with much larger numbers. A network of one trillion devices is not inconceivable. Design at this scale cannot rely on engineering discipline alone. It will entail the kind of loose consensus among communities of designers that, in traditional architecture and design, goes under the name of “style.”

This is a short film (a fast paced preview of a larger effort) by MAYA Design created to put some perspective on the invisible but fast approaching challenges and opportunities in the pervasive computing age.

Until this weekend. I spent a few (okay, more like eight) hours putting together a tool with Processing that would examine some of the similarities and differences between the two articles. The most interesting data ended up coming from word usage analysis (I looked at sentences and phrases as well, but with not much luck). The base interface for the tool is a XY chart of the words – they are positioned vertically by their average position in the articles, and horizontally by which article they occur in more. The words in the centre are shared by both articles. Total usage affects the scale of the words, so we can see quite quickly which words are used most, and in which articles.

In our team we use Pivotal Tracker to track the features of our amazing people search tool called Sociotoco Search. We're using Pivotal Tracker because it's free.

And it's simple.

And it looks good.

And it's actually quite usable.

Read more: http://www.noop.nl/2009/10/our-project-dashboard-with-pivotal-tracker.html#ixzz0VtqVUNRy

Welcome to FOSS FAQ

A place to ask questions about Free and Open Source. Naturally.

Chiphacker is a collaboratively edited question and answer site for electronics hackers – regardless of platform or language. It's 100% free, no registration required.

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While colleges can be a great place to build up your knowledge of technologies of all kinds, real world experience and free learning resources on the web can do a pretty good job of showing you the ropes as well. Here are 100 free resources to help you hone your techie skills and learn more about the ever-changing world of technology.