RoboBee

 It’s a bee! It’s a fly! No, it’s a robot! RoboBee, the world’s smallest flying robot, has been created at Harvard University, USA.  The robot has a wingspan of 3 cm (1.2 in) and weighs 80mg. Its wings can flap 120 times per second. Here is a video of the bee.

 Image Credits:  Kevin Ma and Pakpong Chirarattananon and Harvard University for RoboBee’s image