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Air is visible

The exhibit uses electromechanical interaction and optical means to allow visitors to see the flow of air.

Air is visible — Basic Science exhibit for science museums
Studio rendering
CategoryBasic Science
TopicLight & shadow
InteractionElectromechanical, hands-on
Standard size4 x 2 x 2.6 m
SupplySingle unit or batch · OEM to your drawing
Lead timeStandard 4–8 weeks after deposit (confirmed per contract)
Warranty1 year, structure and control
DocumentsSpecification sheet · control diagram · spare-part list

A standard catalogue model: the dimensions, control package and finish are fixed, which is what keeps the price and the lead time predictable. Size, colour and interface language can be adapted without a new design cycle.

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01 / Overview

The exhibit uses electromechanical interaction and optical means to allow visitors to see the flow of air.

02 / How visitors use it

Interaction type: Electromechanical, hands-on. The unit is designed for unsupervised public use: controls are recessed or shielded, moving parts are enclosed, and the interface is operable by a child of about six with no instruction. Where a screen is used, the language can be switched without changing the hardware, and the content can be replaced on site.

03 / The science behind it

On the exhibit table, the DSLR camera and light source are placed parallel to each other across from the mirror. A perforated baffle is placed in front of the camera, and the light source is aimed at the mirror. The mirror will reflect the light to a focal point, while the edge of the perforated baffle will restrict some of the light, creating a shadow effect. Click the button to turn on the light source and camera, then wave your hand in the interactive area to clearly see the effect of air flowing under your hand in the wall projection.

04 / Built for a public floor

Every unit leaves the factory after a running test: mechanisms cycled, electronics burned in, edges dressed, fixings torqued and marked. Wear parts — bearings, sliders, lamps, belts, touch panels — are modular and listed on the spare-part sheet, so a venue technician can replace them without returning the exhibit. Crating is plywood with foam blocking; the loading plan and packing list travel with the shipment.

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