January 2, 2010
These microscopic gears, which were in news recently, spin with the help of something. What?
Cracked by: dheeraj , varuns88 , Dibyo , madhur , udupendra , shenoyvarun86 , Gurupad , Aditya , anurag , shrik , krudebox , tete80 , p vs np , Logik , Ananth , Rogi , Raghuvansh , Ps , Higgers , RahulN , Thejas V R , Chinmaya U.Holla , adiS , sidsen and Mo
Swimming Bacteria spin these gears!