New nanotweezers able to move sub-micrometer size objects in fluids
(PHYSorg.com Nanotechnology)

Two researchers with the Indian Institute of Science have developed tiny tweezers that can manipulate objects in fluids as small as an individual bacterium. In their paper published in the journal Science Robotics, Souvik Ghosh and Ambarish Ghosh describe their nanotweezers and how well they work.