Visual Representation of Sound - Laser Patterns from Standing Waves

[yathern2]

Just a very cool youtube video I came across, thought you guys would enjoy it.
http://www.youtube.com/embed/RxzMzSZF_b4

 

[Lase]

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Just use the [ yt ] RxzMzSZF_b4 [ /yt ]

Fix'd for ya.

Lase

 

[DrSid]

Not bad for such simple setup .. must try ..

 

[Gryphon]

Wow, there were some pretty cool designs in there, some of them almost looked 3D

 

[yathern2]

Wow, there were some pretty cool designs in there, some of them almost looked 3D

Yeah, that's what I was amazed about. Very neat. I'd love to get a mini explanation about how that happens.

 

[DrSid]

Check here .. it's simple combination of 2 different frequencies in 2 directions.

Lissajous curve - Wikipedia, the free encyclopedia

What is strange though, is how they got it to vibrate with different frequencies in each direction, when they only use one speaker (or so it seems).