Yeah, this 'might' already have been posted but for some reason searching takes over 30min...
so, 'eh.
http://au.youtube.com/watch?v=DKbtTPYZEig
what i want to know is how powerful that laser is, it's so fat and bright. and they seem to just 'show up', isnt that a but dangerous for anyone in the buildings who look out the window... or teh reflections off the windows into the croud.
plus, its awesome how it even has the dripping paint... and wate man, how do they get the green laser to act as the pen. i have seen projectors that can project on a screen and draw when you touch the screen. but i dont know aobut this...
so, 'eh.
http://au.youtube.com/watch?v=DKbtTPYZEig
what i want to know is how powerful that laser is, it's so fat and bright. and they seem to just 'show up', isnt that a but dangerous for anyone in the buildings who look out the window... or teh reflections off the windows into the croud.
plus, its awesome how it even has the dripping paint... and wate man, how do they get the green laser to act as the pen. i have seen projectors that can project on a screen and draw when you touch the screen. but i dont know aobut this...