Recently, I have been totally fascinated by those ferrofluid installations. Ferrofluid means that there is some kind of oil in which very small particles of metal have been dispersed. Thus, this fluid reacts on magnetic influences. This video should make things clear:

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In his Bachelor thesis Frederic Frieß enhanced the original Touchlib TUIO AS3 classes with support for fiducials (or to speak in TUIO terms with support for /tuio/2dobj messages).

Thus, the Touchlib’s TUIO classes can simply be replaced with Frederic’s classes and everything should still work as before. However, there is one slight change in the package structure: the TUIO classes are now lying inside the package tuio and not in the package flash.events.

I have made Frederic’s Tuio Fiducial AS3 classes available on Google code in a project called fiducialtuioas3.

If you want to use reacTIVision fiducials in Flash, Flex or Adobe Air you are heartily invited to use these classes in your private and professional project.

Examples of what has been done so far with those classes:
Tangible Vispol
Pf Design Media Installation

If you have a nice project with fiducialtuioas3 it would be great if you shared a link with us via mail or in the comments.

Great article from Ben Longoria about how to get smooth image scaling in Flex.

via fscklog

This is something so simple but it took me hours to figure it out (actually I do not know why): I wanted to remove the status bar from my Adobe Air application window. I use Flex Builder to develop my Air application.

I wanted to remove the status bar in the bottom of the window because it is useless and it looks bad in fullscreen mode.

As standard MXML element Flex Builder uses the mx:WindowedApplication. You just have to add a simple
showStatusBar="false"
and you get rid of that stupid status bar.

[Update 8. April 2009]
Setting
showStatusBar="false"
just causes the status bar to not being displayed. However, it is still there but not visible.

Thus, I added
windowComplete="removeStatusBar(event);"
in the title tag of WindowedApplication and implemented removeStatusBar(event) as following:

private function removeStatusBar(event:AIREvent):void{
removeChild(statusBar);
}