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4hv.org :: Forums :: High Voltage
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levitating toy

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Dr. Dark Current
Sat Sept 27 2008, 12:48PM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
HFsstc-freak wrote ...

Looks faked to me.
To me it doesn't. Sure it would "trip over" if you didn't move the wand, but because of the levitated object's inertia and air friction, it moves slowly so it's perfectly possible to balance it.


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nn045
Tue Sept 30 2008, 02:21AM
nn045 Registered Member #1705 Joined: Sat Sept 20 2008, 03:24AM
Location:
Posts: 2
Link2

link to actual product.
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DrZoidberg
Tue Sept 30 2008, 04:23AM
DrZoidberg Registered Member #350 Joined: Mon Mar 27 2006, 05:14PM
Location:
Posts: 106
Why should it be fake?
I cut a few foil strips of an emergency blanket and taped it together into a sphere shape like in the video.
When I touched it with a charged object it unfolded and was repelled upwards like expected. But it was nearly impossible to keep it floating because it was simply too heavy.
But if the foil is thin enough it will work. In the video the foil falls down slowly after the wand is removed. Much slower then a piece of an emergency blanket would fall. I guess it's probably only 1µm thick or even thinner.
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Avi
Wed Oct 01 2008, 01:56PM
Avi Registered Member #580 Joined: Mon Mar 12 2007, 03:17PM
Location: Melbourne, Australia
Posts: 410
kinda hard to make an intricate ball like that suprised
yeh, it must be really thin and light foil of some sort
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