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/diy/ - Do It Yourself

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>> No.1116097 [View]
File: 31 KB, 853x480, Control_crystals.jpg [View same] [iqdb] [saucenao] [google]
1116097

>>1116011

I've produced the sparks by striking two crystals together, and also with one crystal being struck on a flint-stick.

What I'd really like to see though is some kind of vibrating machine/speaker array which can make a crystal glow for longer than a couple seconds, like in Star Gate xD

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