How many of you would believe me if I told you that houseflies, bees and beetles (insects that we ignore and see all around) are being used to spy. Some look so close to the actual insects that it will be difficult for you to spot the difference.
Many of these devices are being developed by countries such as US and Israel.
Here is a snapshot of what has already been done:
A team at Harvard University has successfully built a housefly-like robot with synthetic wings that buzz at 120 beats per second.
Japanese researchers have already developed a radio-controlled hawk-moth. The device has four-inch wingspans that resemble hawk moths.
Prof. Robert C. Michelson and his design team from the Georgia Tech Research Institute (GTRI), University of Cambridge (England) and ETS Labs are developing an ‘Entomopter’, a multimode (flying/crawling) insect-like robot. What is unique about the Entomopter is the fact that it is propelled by a pair of flapping wings driven by a Reciprocating Chemical Muscle (RCM) which is capable of generating autonomic wing beating from a chemical energy source without an ignition source, combustion, or atmospheric oxygen.
The Israel Aerospace Industries (IAI) has created a butterfly shaped drone that can hover in mid-flight, just as a helicopter and take pictures with its 0.15 gram camera and memory card