BALL OF SOUND
Construct a low-cost spherical speaker array.
Acoustic instruments radiate sound in a wonderfully complex, 360° fashion, while conventional loudspeakers project a boring spotlight of sound. You can spend a ton of money on a fancy spherical audio array, or you can build one for cheap out of 2 IKEA salad bowls and 8 surplus car speakers.
1. Cut the hole for the top speaker.
I would love to say that I was smart enough to have found a speaker and bowl combination that worked out like this, but it was ...
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