Many species on this planet use sonar and sound to navigate in the dark or locate objects around them in the ocean. Bats and Dolphins for instance use sound waves in this fashion. Not long ago an astute gentleman stated; "Why, we could make device that was very small and attached to the human ear or implanted to act as a human sonar."

Well, is this even possible? I mean that would be pretty interesting as others have recently stated with regards to this concept. Do you think it is possible? Personally, I am pretty certain that yes it is possible, but I have not pursued this concept, as I've been working on other stuff. Still, I do not see why we couldn't build it or make such a device.

It would be very easy to design with high-efficiency hearing aids and a pinging sound wave of a certain frequency, one, that was beyond the human hearing realm. It should work perfectly. It has many applications in many industries and some military applications as well.

In fact, before retirement, I can recall that we used to use sonar waves at the car washes to know where the car was, now they use optical sensors. Small UAVs and robots have a sonar-like system in them. One of the recent DARPA grand challenge contestants used stereo-type sonar. Well, why not make one to interface with the human ear, piece of cake. Hmm, I bet they already exist, I am sure someone has considered this the prior? Think on this.


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