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These would be balloons that have neodymium magnets
embedded in their surfaces to optimize geometric
configuration.
This would allow you to configure balloons in geometries
similar to the ones possible with the magnetic ball toys.
(links)
Magnetic Ball Toy geometries
https://www.google....c+ball+toy&tbm=isch
[JesusHChrist, Mar 22 2014]
Cubic soap bubble
http://www.youtube....watch?v=nfWVNX3QjOM
[EnochLives, Mar 22 2014]
Baloon Arch
http://www.balloons...es/red_blu_arch.jpg
[JesusHChrist, Mar 22 2014]
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Annotation:
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Why not just slip a loose magnet or three into a balloon
prior to inflation? Positioning could be easily accomplished
via another magnet sliding along the outside of the balloon. |
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Will this allow you to make polyhedral balloons in the same way that you can with soap bubbles? |
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On second thought, this would work better with balloons
small enough to contain one bar magnet cushioned from
the surface of the balloon. |
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Thin strips of iron on the outside? |
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I need a better pair of lungs. |
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Try slipping a few neodymium magnets into your current
pair. Apparently they make everything better. |
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Why not just charge them from suitable poles of a
Van de Graaff generator? |
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By alternating charges, you could stick and repel as
desired. |
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The idea was to put just a few really light but
strong magnets on the outside of the balloons so
that you could snap them together in lego-like
configurations. I was thinking that if you put 6
little dot magnets on each balloon, you could array
them together as if it was a cubic face-centered
lattice. Not totally sure that would work, although
it works in crystals so there must be some strategy
for doing that. Then I thought that if you tried to
arrange, say, pentagonal strucures, like you can
with the "nibblydibblium" magnets, it wouldn't
work, because the magnets are on the outside of
the balloons and not more centered inside the
balloon, like presumably with the desk dots. I
dont know, one would have to play around with it
to see if it would work. |
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Being sufficiently supplied with both balloons and
nibblydibblium, I'm going to try this, once I tear apart
the motor sitting at my desk. |
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Alter, I'm not sure you'd be able to easily separate
them and keep them on opposite sides of the
balloon once you inserted them. |
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They come shipped separated by thick sheets of acetate of
oaktag so that they cling weakly together but can easily be
pried apart. Carefully inserted into the balloon so
arranged, and perhaps helped by some post-it adhesive, I
believe that the individual magnets could then be
separated and sorted via external manipulation using a pair
of stronger magnets and a partitioned tray or placeholder
slugs made of (ferrous) steel. |
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This may not be relevant, but if you place a drawing
pin inside a balloon, inflate it, then shake it
vigorously, static will cause the pin to float in the
centre of the balloon. |
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