View Single Post
  #17  
Old 30-04-2010, 08:58 PM
AJohnston (Angus)
Registered User

AJohnston is offline
 
Join Date: Apr 2010
Location: Perth
Posts: 6
Quote:
Originally Posted by Robh View Post
Simple experiment ...
In a dark room, shine a torch onto a blank wall. Turn a laser collimator or pointer on and direct it across the face of the torch. Don't shine it into someone's face! You will not see any shadow of the beam on the wall.

Regards, Rob.
A very elegant way of showing that light does not scatter.
Reply With Quote