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interactives' photostream |
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Chinese repeating crossbow
My half-scale model in action. The Chinese repeating crossbow was a masterpiece of...
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Uploaded on Feb 2, 2012
plumbata
I've made another plumbata for my collection. This one has leather flights, a drilled-out lead...
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Uploaded on Feb 1, 2012
'Release the water'
Pull the rope to 'flush' water from the stainless steel header tank to the fountain. Then stand clear!
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Uploaded on Jan 24, 2012
'Touch the sun'
Feel the temperature difference between the black and the white surfaces. Solar power is only available when the sun is shining!
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Uploaded on Jan 24, 2012
'Feel the Wind'
Feel the power of the wind by grasping the rotating steel shaft driven by this beautiful 'twisted...
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Uploaded on Jan 22, 2012
Scientific mystery in my bathroom - 4
While some kind of biological solution seems likely to account for the disappearance of the blue...
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Uploaded on Dec 24, 2011
Scientific mystery in my bathroom - 3
Day three. Today I think I'll let the picture speak for itself.
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Uploaded on Dec 24, 2011
Scientific mystery in my bathroom - 2
The mystery deepens. 24 hours ago, I very gently stirred the lower part with a long, thin wooden...
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Uploaded on Dec 23, 2011
Scientific mystery in my bathroom
On our east-facing bathroom windowsill is this glass cylinder which we normally keep filled with tap...
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Uploaded on Dec 19, 2011
wind-turbine
Our adjustable-vane wind-turbine exhibit does generate electricity!
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Uploaded on Oct 17, 2011
Alternative energy outdoor...
Glowing chaos pendulum
BIG Event 2011
NAM International Workshop...
Stomp rockets
ECSITE Conference 2010
Microscope
Volcanic ash scraped from...
Frozen bubbles
Projectile weapons
» More Sets
