media reports

The AVARD 2020

"The AVARD 2020: The PROAV Award Germany"

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The "Science Dome" infotainment project impressed the jury as an innovative combination of technology and show with impressive technical detail. Particularly noteworthy is the successful safety concept, which makes the implementation with the technologies used possible in the first place.

The experimenta in Heilbronn, currently the largest science center in Germany, explains the world of science with over 270 interactive exhibits. Particularly outstanding in this world of experience is the "Science Dome", a hybrid developed by Kraftwerk Living Technologies consisting of a planetarium and an audience area with stage function that can be rotated by 180°. This science and multimedia theater has a projection area of 726m2 - including the dome only. At 13m high and 21.5m in diameter, the Science Dome thus offers a massive "screen" for an audience of up to 150 people. Additionally, this already enormous area is supported by a "Water Screen" of 10m width with over 5,000 nozzles for almost hologram-like projections that seem to float freely in space.

 

In addition to a conventional star field projector, these areas are also illuminated by a combination of six 56,000 lumen 360° full dome video projectors in cinema quality as well as by a special laser system, the TriDome Laser System developed by LOBO with six high-power, space-saving laser projectors. The laser source is a so-called power deck, equipped with sparks lasers in RGB configuration, which feed all laser projectors from a central machine room via optical fiber. This reduces the required size of the projectors and also simplifies service work, since the projectors themselves do not have to be readjusted when the laser sources are serviced.

This interaction allows the audience to experience breathtaking planetarium shows and "lifelike" 3D cinema projections, displays with laser graphics and laser beam shows that invite them to take a tour through the worlds of science. All lasers are controlled with the help of a LACON-5, a laser and multimedia workstation, in the control room. In addition, 56 effect and reflector mirrors create targeted reflections of the laser beams, using mirroring and holographic grid effects to create the illusion of an entire armada of laser projectors.

Challenging was the compliance with the prescribed standard for laser safety, according to which the laser projectors must be mounted at a height of at least 2.70m above the audience area. In the Science Dome, however, this is not possible due to the inclined design of the dome - for structural reasons, the height of the front projectors here is only about 50 cm. Therefore, a unique safety concept was developed especially for this scenario. Based on the Digital Data Link (DDL) monitoring system developed by LOBO, special sensors were installed in the area of the lower laser projectors to support the operator in the control room, who is trained as a laser safety officer and can manually switch off the laser sources in case of danger. These scan the horizontal plane with an invisible infrared laser fan for possible obstacles. If an obstacle is detected, the laser sources are immediately and automatically switched off by DDL - in less than 0.005 s! The AVard jury found this quite "Smart" .

     

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