Hand-wound voice coil coupled with a thin aluminum plate to display vibration patterns in a fine medium. A project to be published in Make Magazine in 2008.
Hand-wound voice coil coupled with a thin aluminum plate to display vibration patterns in a fine medium. A project to be published in Make Magazine in 2008.
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@EdwinWiseOne i have to use the metal plate no matter what, what if i put the metal plate directly on the speaker? should it work? or do i need the metal stick in the centre of the speaker? thanks
In THAT case, you could try setting it on the speaker and cranking the volume way up. However, where the plate touches the speaker will dampen the pattern at those points.
Try maybe double-stick taping or epoxying a small cup or cardboard tube to the speaker (which will never be the same again) and then fastening the plate to that... whatever you do, add as little weight as possible or you'll never get the high frequencies to show.
Pretty much any audio amplifier will work, though larger amplifiers will of course drive larger plates.
The sound _source_, as in the signal generator; you can get software signal generators for your computer, which you can then tie to the amplifier via the headphone or speaker jack. You can also build a simple square-wave generator out of a 555 timer and a few components, or if you want to go fancy, buy a cheap signal generator off of eBay or an electronics store.
How is your setup? Do you have it setup like this: 1.Metal Plate on top. 2.Coil under the metalplate. 3.Magnet under the coil 4. Plastic supporters under the magnet And then a soundsource connected to the coil directly, thus making it jump on top of the magnet?!?! Would you be able to take a picture, make a film, on the setup itself?!?
I seem to recall answering this in e-mail, but should put up something here for the list too.
Plate has a voice coil attached with a nylon bolt. This is a coil of wire wrapped around a plastic cylinder (small cup with extension made of packing tape).
This coil fits INSIDE a speaker magnet, and vibrates inside the magnetic field as current is applied.
If we can calculate the frequency the ping pong ball is being levitated by knowing the rate of spin, then we can calculate the frequency that is levitating Earth (Terra). Perhaps Earth is called Terra because of the bandwidth that it generates.
If 3 speakers can levitate a ping pong ball and make it spin faster according to hertz frequency... then imagine the center of the Milky Way as a speaker on the x axis. Imagine Andromeda as a speaker of the y axis. and another galaxy on the z axis.
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i have to use the metal plate no matter what, what if i put the metal plate directly on the speaker? should it work? or do i need the metal stick in the centre of the speaker? thanks
Try maybe double-stick taping or epoxying a small cup or cardboard tube to the speaker (which will never be the same again) and then fastening the plate to that... whatever you do, add as little weight as possible or you'll never get the high frequencies to show.
The swiveling base is a good idea.
The sound _source_, as in the signal generator; you can get software signal generators for your computer, which you can then tie to the amplifier via the headphone or speaker jack. You can also build a simple square-wave generator out of a 555 timer and a few components, or if you want to go fancy, buy a cheap signal generator off of eBay or an electronics store.
1.Metal Plate on top.
2.Coil under the metalplate.
3.Magnet under the coil
4. Plastic supporters under the magnet
And then a soundsource connected to the coil directly, thus making it jump on top of the magnet?!?! Would you be able to take a picture, make a film, on the setup itself?!?
Plate has a voice coil attached with a nylon bolt. This is a coil of wire wrapped around a plastic cylinder (small cup with extension made of packing tape).
This coil fits INSIDE a speaker magnet, and vibrates inside the magnetic field as current is applied.
Perhaps Earth is called Terra because of the bandwidth that it generates.
If 3 speakers can levitate a ping pong ball and make it spin faster according to hertz frequency... then imagine the center of the Milky Way as a speaker on the x axis.
Imagine Andromeda as a speaker of the y axis.
and another galaxy on the z axis.
It levitates and spins.
What is Earth doing?
It is levitating and spinning.
2012 marks a time where Earth will be passing through a focal point of 3 Galactic waves on an x, y and z axis.
The Universe is moving up a frequency.
What happens to a 2D Chladni pattern when it moves up a frequency?
It changes configuration.
What happens in a 3D realm?
Spin faster.
40 hour days to 24 to 13.