View Single Post
Old 09 February 2003, 22:51   #22
Registered User
Drake1009's Avatar
Join Date: Jul 2001
Location: Denmark
Posts: 2,284
No I mean that they have a 2 color moving one.

non moving one has been around for a long time. It's all about just crossing beams of light. If you've got 2 laser markers and cross them you should get a red dot hanging in the air.

Fog or smoke would of course help that effect a lot.
Drake1009 is offline  
Page generated in 0.05642 seconds with 9 queries