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Metacelsus
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Acoustic levitation can move stuff around as well (this was only recently developed, and is more complex).
https://www.youtube.com/watch?v=odJxJRAxdFU
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smaerd
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I really think acoustic's are your best bet. You could levitate something, then have another ultrasonic horn/transducer/whatever perpendicular to the
levitation source(s) and hammer the object away through the air. Granted it would have to be incredibly low in mass for a table top demonstration.
Ohh waiiit, are you going to be one of those youtube con-artists elementcollector1? If so I regret offering much advice.
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quantumchromodynamics
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the plasma thing
It does not have to be extremely annoying. How about start with an alcohol flame and charge it with an abundance of electrons, say using an
electrostatic technique, then surround such charged blue flame with a coil of of copper wire. Pulse the coil with a stiff current, and see if you can
shoot little blue plasma balls through the coil, or just see if the plasma can be made to vibrate into interesting shapes. This is an armchair project
I have always wanted to work on. Some of the sound vibration ideas in this thread are very interesting also.
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elementcollector1
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Quote: Originally posted by smaerd  | | Ohh waiiit, are you going to be one of those youtube con-artists elementcollector1? If so I regret offering much advice. |
But of course. Would you like to purchase some kitchens?
Anyway, acoustic sounds good. What if I used air pressure for the launching mechanism, similar to those potato cannon setups?
Also, for the attraction, I saw once that a 10 T magnetic field could be used to suspend a frog in midair, due to the diamagnetic water inside the
frog. Could this be used to attract objects? Of course, with any ferrous metal, the resulting attraction would probably be strong enough to break the
entire device...
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smaerd
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Depends, can I have them delivered via helicoptor? Else-wise no thanks  . Oh yea
I generate 10T magnetic fields all the time . Electromagnet/superconductor
design on the level is just out of the question for at home or portability.
Air pressure sounds more reasonable for the launching mechanism. It's quite easy to get pressurized gases of some kind and have them instantaneously
expand. First thought is a CO2 cartridge for paint-ball. Rather then cease the flow politely ask it to dump the entire canister in a 'controlled'
manner. Controlled as in not causing harm.
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elementcollector1
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That's a thought, but this thing is supposed to be basically autonomous - perhaps an onboard air compressor?
@quantumchromodynamics: Somehow, I don't think that would work for what I have in mind, although it would indeed be cool.
So, with levitation and repulsion solved, any ideas for attraction? Frankly, I can't think of any type of force that would work in a roughly linear
fashion, exerting a force at whatever it was pointing at... Oh, and work on all types of materials.
I wonder how small you can make the acoustic levitation setups?
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IrC
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Has anyone looked at this patent?
Acceleration of large projectiles with electrostatic forces
http://www.freepatentsonline.com/y2006/0027085.html
"Science is the belief in the ignorance of the experts" Richard Feynman
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Praxichys
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Please don't tell me you're trying to replicate the gravity gun from Half-Life 2.
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elementcollector1
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Hehehehehe.
Hehehehehehe.
HEHEHEHEHEHEHEHEHEHEHE.
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Texium
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I think that's probably what he was going for!
Edit: EC1, your last post wasn't there for me when I posted
[Edited on 6-18-2014 by zts16]
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