TechnologyCorkscrew-shaped microbot could use sound to spiral through human body Microscopic helical robot travels through narrow tubes when exposed to sound, and could eventually be used to deliver drugs inside of the body by spiralling through its vasculature. ¿ìè¶ÌÊÓÆµ
Technology¿ìè¶ÌÊÓÆµs want to give robots hands made from living woodlice Researchers attached pill bugs and chitons to a robot arm to show how creatures might work with machines, but it isn't clear how useful this would be ¿ìè¶ÌÊÓÆµ