This is a more recent recording of my original Bad Apple laser video:
http://www.youtube.com/watch?v=uJaAYD0YT44

This version is done with a much more recent version of OpenLase and features quite a few tweaks to reduce blinking. OpenLase is my open source realtime laser graphics framework, check it out here:

https://github.com/marcan/openlase
http://openlase.org