i remember in my childhood physics classes, when waves are generated
at two opposite ends of a water beaker, we can observe the points at which
something happens( i don't know what exactly those points are called ? ).
good example for this is http://www.kleinbottle.com/SpoutingBowls.htm"...
Iam very new to this forum. I just had this doubt for the last week.
pardon me if this is a silly one. the doubt is :
what happens when two light beams traveling in perpendicular directions
collide ? collide in the sense i mean what happens at their intersection point ?
what i have...