Secretly shoot your voice across the room in stealth mode on the beam of a laser!
Find more at the Maker Shed: https://makershed.com
Learn more here:
http://makezine.com/2008/12/31/weekend-project-simple-laser-commun-2/
Published 2009-01-01 · Watch on YouTube ↗ Availability and playback restrictions are controlled by the original channel.