Feb 27, 2014 12:10 PM EST
Futuristic Soft-Shell Micro-Robot Ready to Navigate Insides of Our Body
They are half a millimetre in size, have a star-shaped hydrogel shell and open when they are irradiated with laser light in the near-infrared range. The new micro-robots, developed in the laboratory of Professor Brad Nelson at ETH, will potentially aid the precision delivery of drugs.