The singing tesla coils

At Dorkbot at South by Southwest in Austin, The Geek Boys showed off their singing tesla coils.

AUSTIN, Texas--If you happened to be in Brush Square Park Saturday evening for the South by Southwest edition of Dorkbot, the gatherings of artists and engineers in various cities that work with electronic art, I sure hope you saw the singing tesla coils.

I did, and it was one of the coolest things I've seen in a long time. First of all, I love tesla coils--disruptive discharge transformer coils that shoot out bolts of electricity--to begin with. But this took the concept to a whole new level: Two small, side-by-side versions of the electricity-spewing devices that were working in tandem, producing music.

Was it real music? Well, I suppose that the definition of "music" is always open to interpretation, but in this case I'd have to say yes. After all, there was a beat, a rhythm and before I knew it, I found myself doing a little head bob. To the singing tesla coils.

So, I asked the creators, Oliver Greaves and Joe DiPrima of The Geek Group, about the wondrous creation they said it took them a year to build.

"We figured out we could do it when we started playing with solid state tesla coils," said DiPrima, adding it wouldn't have been possible without help from mentor Steve Ward. "We were the first group to document it."

I asked him to explain the concept to me, definitely in layman's terms, as I was a little afraid of a lengthy explanation involving different kinds of waves and spectrometers and things I would never understand or be able to pass on to you, my wonderful readers.

DiPrima was very patient with me.

"We're using a computer to modulate the tesla coils," he said. "They're digitally controlled. We built (what we call the) 'Disruptor,' which takes music and turns it into digital pulses."

I asked him how much it would cost to build a version of their invention, and he said that it would only cost about $100, though his group had spent several thousand dollars on research and development.

He also said he wouldn't be proprietary about the design.

"I figure, if someone is smart enough to understand how it works," DiPrima told me, "then I'm willing to share the information."

Now, The Geek Group is working on a larger version of the singing tesla coils. The current version shoots out electrical pulses about a foot long. But in a future version, the bolts will be around six or eight feet long.

I can't wait to see it.

 

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