Rat cells used in artificial jellyfish
23 July 2012 Updated at 05:59 ET
Electricity pumps artificial jellyfish through water
The researchers shocked the muscle cells into contracting using an electric current
Related Stories
Robot jellyfish created for ocean
Robot can squeeze under obstacles
Robocrab's wave woos the ladies
Scientists in the US have created a free swimming artificial jellyfish.
link-
http://www.bbc.co.uk/news/science-environment-18953034