Bat technique new invention

Bat technique new invention
Bat technique new invention

Bat technique new invention

what differentiates bat from other birds, actually he has a kind of waves that he sends in all directions then he receives it back and if it's received fast then there is some obstacle in this direction , that is the idea that our new invention is designed at.
Firefighters can not see around them if there is thick smoke just few inches around, so researchers designed this vibrating helmet , it has sensors that sends ultrasound waves and analyses the echo and determine if there is a wall or a door it vibrates when an obstacle is determined.

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