[GingisK]

The human body is going to absorb those types of signals.

Kindly explain, then, how the military's anti-personnel radar works. I can assure you that it does all the way back into the 1960s.

[EVO X]

Kindly explain, then, how the military's anti-personnel radar works.

I've never heard of such a thing. Radar reflects off objects such as steel. If they are bouncing signals off off humans and getting a return, they are doing at a frequency I am not familiar with and neither are the Uber engineers.