Square Waves

Submitted by: LordJim 1 month ago in Misc Science Weird
There are 6 comments:
Male 1,866
Square waves?

You were expecting maybe sine waves?
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7,047
I thought it was just something under the water that was causing the shape.
Good to know
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Male 937
Neat. 
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Male 2,240
Interesting stuff!
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Male 699
I smoked some spring fresh green herb before watching this video. Glad I did. Now I get it.  
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