pratima

we are working on bending of tracks when a car moves on hills and valleys,the headlight of car goes with the movement of car but not bend with the curve it follows, so how it can be possible to make headlight which follow the path of movement of car?? please give your suggestion about it.

HELLO TO ALL... PLZ SUGGEST ME A STRONG TOPIC RELATED TO MICROBIOLOGY FOR Ph.D. AS SOON AS POSSIBLE.I HAVE TO PREPARE OUTLINE FOR PROPOSED RESEARCH WORK FOR INTERVIEW. I AM INTERESTED IN MICROBIAL GENETICS AND INDUSTRIAL MICROBIOLOGY....