[sdiy] Laser Harp in action

[Speth, John]

> Making the harp was an interesting experience and a dangerous one too.
> This harp's laser is hot enough to blind instantly and it even managed
> to burn a small hole in my power supply by accident!

Yikes!  Your first blinding/burning will certainly be your last and would likely close down the venue if it was in the USA, land-o-lawyers.  I'd keep that baby in the lab if there's any chance or personal injury.

John Speth
Coherent Molectron
mailto:john.speth at coherent.com