Similar to the other speaker trick an experiment consisting of a speaker, a metal sheet, and some salt. Watch as the science is expressed visually.
Warning: At some point in the video, the sound gets so high that it might hurt your ears. Also, make sure your pets are not around while playing this video.
http://www.youtube.com/watch?v=s9GBf8y0lY0
I love watching this and seeing the progression and the relationship between the pitch and the patterns.
Via Presurfer
Warning: At some point in the video, the sound gets so high that it might hurt your ears. Also, make sure your pets are not around while playing this video.
http://www.youtube.com/watch?v=s9GBf8y0lY0
I love watching this and seeing the progression and the relationship between the pitch and the patterns.
Via Presurfer
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