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"Nuts and bolts":
interactive exibits
Exhibit
development & fabrication
Designs
& performance specifications
Discovery
Disks: mobile mini-interactives
'Beam Cam' projecting video microscope
Underwater
Street Discovery Centre
Moscow
Planetarium
Sellafield
Visitor Centre
'Alternative
energy'
Earth
Science
Fixed
Discovery Disks, Glasgow
Air-table,
telescope, moon-phases
Astronomy
exhibits for Valencia
Biometrics
Magnetic
field exhibit for CERN, Geneva
Tabletop
Discovery Disks: magnetism
Tabletop
Discovery Disks: Light
More
Light interactives
"Academic"
interactives: The Energy Enzyme
"Academic
interactives": Electron beams
"Academic
interactives": Mantle geology
Working
canal-lock model
Virtual
exhibit: Ich bin einmalig
Chemistry
interactives: Chirality
Video
microscopes: Melting crystal
Push-button
quiz: Breath of life
Environmental
& biological
Cookbook
outlines of my 1992 "classical" Great Explorations interactives
Talk to me!
UK phone/fax
+44 (0) 1663 743794
Email ian@interactives.co.uk
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Hand-cranked
generator
In my opinion, hand-cranked generator exhibits are better than the
"exercise-bicycle" versions usually seen.
They give far fewer maintenance problems, are safer when very small children
are near and you can more easily FEEL the extra work required when additional
lamps are switched on with the free hand.
(More subtle benefits also follow, according to Russell's Laws of
Distraction: "1. For any given exhibit, mental activity is inversely
proportional to muscular activity". 2. Noise made by children is
directly proportional to muscular activity. 3. For any other exhibit,
mental activity is directly proportional to distance from the nearest
noisy exhibit.)
While cranking the handle, three separate push-to-make buttons can be
pressed with the fingers of the other hand. These switch on three lamps
of different wattages. The increase in "load" felt on the crank-handle
is very impressive. It is very easy to light the small lamp on its own,
but extremely difficult to light all three lamps.
An ammeter shows current and all the wiring is clearly visible, for conceptual
clarity.
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