G
Gajbhiye_Akash
Guest
whenever we see a hot body or something burning we can see a shaking background. it is because licht changes it path while crossing that hot region.like gravatational feild effect light. <div class="Discussion_UserSignature"> <p><strong><font size="3" color="#0000ff">E=MC^2</font></strong></p><p><strong></strong></p> </div>