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Crazy idea for speakers?

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Tough Guy no. 1265
Guest

Sun Jun 28, 2015 11:52 pm   



See if you had a device which projected some kind of wave like microwaves which excited dust particles (or objects in the room), which made them vibrate and cause sound.... could that work?

--
Avoid cutting yourself when slicing vegetables by getting someone else to hold the vegetables while you chop.

M Philbrook
Guest

Mon Jun 29, 2015 12:15 am   



In article <op.x0ybxzqacpfvgl_at_red.lan>, no_at_spam.com says...
Quote:

See if you had a device which projected some kind of wave like microwaves which excited dust particles (or objects in the room), which made them vibrate and cause sound.... could that work?


maybe you want to look up ultrasonic audio or stereo.

Jamie

Ian Field
Guest

Thu Jul 02, 2015 1:14 am   



"M Philbrook" <jamie_ka1lpa_at_charter.net> wrote in message
news:MPG.2ffa03b59f639298989c48_at_news.eternal-september.org...
Quote:
In article <op.x0ybxzqacpfvgl_at_red.lan>, no_at_spam.com says...

See if you had a device which projected some kind of wave like microwaves
which excited dust particles (or objects in the room), which made them
vibrate and cause sound.... could that work?

maybe you want to look up ultrasonic audio or stereo.


Baked beans tins & bits of string is more his speed.

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