>>not having evolved emitters. Like echolocation in bats and dolphins... Excellent point! In fact, humans do have some echolocation capability [0,1]. That sh

>>not having evolved emitters. Like echolocation in bats and dolphins... Excellent point! In fact, humans do have some echolocation capability [0,1]. That should tell us that LIDAR (or emitter-receiver-range-finder capability) may ultimately always be a core piece of the solution. [0] https://en.wikipedia.org/wiki/Human_echolocation https://en.wikipedia.org/wiki/Human_echolocation [1] https://www.smithsonianmag.com/innovation/how-does-human-echolocation-work-180965063/ https://www.smithsonianmag.com/innovation/how-does-human-ech...