[sdiy] Chaotic/lo-fi patching techniques

[Ben Lincoln]

That's a pretty cool idea. Could you do something similar using ferrofluid
(so that the shape of the fluid could be magnetically controlled as well
as vibrationally), or would the electromagnets and whatnot cause too much
interference?

On Mon, April 7, 2008 12:23 pm, Peter Keller said:

> Having just made up this method and never tried it, how about this:
>
> Make a 2D nail board with the tips precisely vertically aligned and
> suspend it over salt water where the tips are *almost* touching the water.
> The nail tip have to be high enough though that surface tension doesn't
> leave a connection from the nails to the water.
>
> It would look like this (~ is water):
>
> | _____________________________________________ |
> | ||||||||||||||||||||||||||||||||||||||||||||| |
> |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
> -------------------------------------------------
>
> Then, produce waves in the water box. The crests of the waves and of the
> constructive interference will produce interesting patterns of electrical
> connection.
>
> You could drive longer non electrically connected nails through the nail
> board
> and into the water that when you hit with a mallet, produce the waves at
> different 2D points in the water box. That would look like this:
>
> |                                               |
> | |___|___|___|___|___|___|___|___|___|___|___| |
> | ||||||||||||||||||||||||||||||||||||||||||||| |
> |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
> -------------------------------------------------
>
> Then, hitting the nails could produce more interesting repeatable wave
> interference patters much better than hitting the box would.
>
> The above is a linear version of the system, a full system would be
> fully 2D.