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On 6/15/2011 6:29 PM, Julie Quah wrote:
In one of the Criss Angel mindfreak, he walked on water, with camera and
audiences checking the real. Any scientific explanation?
The Mythbusters tried amusingly hard to run on water - using olympic
level athlete., etc.
Their most successful method, truly convincing to the camera, was to
provide a just-submerged walkway in camouflaged color. Others have
demonstrated a brisk walk on non-newtonian corn starch mixes. Pilots of
suitably intrepid nature, can demonstrate touch n go landings on still
water.
You are familiar with floating a sewing needle on a scrap of paper 'til
it waterlogs and sinks, leaving the needle suspended on the surface.
Small water insects manage this trick routinely.
It might be interesting to float a half inch of water on a bed of
mercury to demonstrate some sort of liquid walking - but the activity
is inherently unstable - as one or two people have found who wanted to
walk long stretches of sea between countries, though their floats had
sufficient buoyancy.
Another approach to impossible levitation is the Peter Pan suspension -
on thin wires.
Brian Whatcott.
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