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The World's Biggest / Largest / Longest Multi-Touch (and evidently Multi-User) Wall [, click Projects then choose 19.07.2009) seems to be installed in Nürburgring, a famous motorsport race track around the village of Nürburg, Germany The two-piece wall consists of a huge LED media facade (at the top), and a multitouch information-wall (at the bottom), and impresses by its physical size, as it totals a surface of about 425 square meters, equaling more than 6000 computer displays.

The interactive interface emerges out of 34 million pixels generated by 15 high definition projectors, supported by sound produced by 30 directional speakers. The multitouch capturing itself is based on laser technology, also called Laser Light Plane Illumination (LLP). This means more than 80 users can simultaneously get informed about news and activities around the ringworld. Now imagine the sorts of sparklines this device could display...

You can watch a documentary movie below.



thanks for mentioning our project! :-)

We are fans of your blog since a couple of weeks now!
Keep up the good and interesting work!

Best regards

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Wed 25 Nov 2009 at 9:53 PM

This was a fascinating installation, but I didn't see multi-touch anywhere. Only single touch was shown in the video. Very nice presentation area for this technology though.

Thu 26 Nov 2009 at 11:36 PM

They should be using FREE Digital Signage from and really drive the cost down.


Fri 27 Nov 2009 at 2:26 AM


Fri 27 Nov 2009 at 5:36 AM

Great video, linked to it

It took me two watches to really notice the huge display area *above* the ring wall.

Fri 27 Nov 2009 at 6:08 AM


Sat 28 Nov 2009 at 12:34 AM

@johnconstantine: You are right - you can't really see it in the video, because it shows the basic version of the application. It theoretically supports multitouch, but the application doesn't contain any multitouch elements yet (like pictures to pinch & zoom for example). But these features are planned for the next version of the application respectively for future applications.

In this particular case, multitouch is equatable with multi-user.

Sat 28 Nov 2009 at 3:08 AM

i wonder how long until this wall gets hacked lol

Sat 28 Nov 2009 at 6:11 AM
Carlos Tolentino

Huge installations must be really avenging..
How do you handle the big virtual screen? Would it be simple to drag objects across zones?

Very nice project, thank you.

Thu 03 Dec 2009 at 5:03 AM

hi sensory-minds
nice application. you wrote that you are using Laser_Light_Plane_Illumination but isn't it the radartouch interface? i found some informations about that system on



Tue 15 Dec 2009 at 12:42 PM
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