Sign In  
  Sign Up  
  Popular - Categories
  Popular - All Uploads
  Recent - Categories
  Recent - All Uploads
  Random Upload
  Contact NewTube  
About NewTube  
  Support NewTube
-30  
-15  
-5  
-1  
+1  
+5  
+15  
+30  
I made this video with my iPhone several years ago at my local LA Fitness with about sixty feet of real estate to demonstrate how perspective works on a flat plane! My laser pen was flat on the floor and as you can see once the lenses are close to the ground the laser beam appears to disappear in the floor.
File Size: 19 MB
Category: Technology & Science
No Comments Yet