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Air04
Hubert writes –

“We describe a very simple laser: no special gas, no chemical products, no vacuum and no glass work! This Nitrogen laser uses normal air at atmospheric pressure. All you need is some metal parts and an about 10 kV 1 mA adjustable High tension DC source.” Thanks Gnomic! – Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


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