December 1, 2010
Famous experiment. Identify.
Cracked by: Raghuvansh , Thejas V R , Shwetha Maiya , Kaustubh , krudebox , shrik , aditthya , shrey , Vijay , username , Piyush , pavan , Moju21 , tete80 , Rahul Rajeev , Manish Achuth , Sumanth Patlolla , Pawankumar Hegde , v.chandrashekar , SS , apar , Bharath , Rogi , jowens , Logik , SV , dineshk , Ananth , Mikey , Dibyo , duriel , Anjul , udupendra , mankuTimma , Mandy , Nanda , Rohit , stinky94 and Goyal
Magdeburg hemispheres – Designed by German scientist and mayor of Magdeburg, Otto von Guericke in 1650 to demonstrate the air pump which he had invented, and the concept of atmospheric pressure. [/wikiflickia]