Nanobots get tiny propellers for targeted drug delivery
 

Nanobots need the proper propulsion system if they're going to be used to deliver drugs to targeted areas. Take for example this teeny-tiny corkscrew-shaped propeller made out of silica and nickel that's developed by a group of German and Israeli...

http://www.engadget.com/2014/07/31/n...=rss_truncated