[h=4]Most of the newer cars have back-up-sensors that warn the driver before the rear bumper actually comes in contact with something.
Most people probably think that this valuable feature came out of the minds of engineers,
but it was recently disclosed that it was a concept developed by a Chinese farmer.
His invention is very simple yet effective.
It emits a high pitched squeal when the vehicle backs into something.
[/h]
Most people probably think that this valuable feature came out of the minds of engineers,
but it was recently disclosed that it was a concept developed by a Chinese farmer.
His invention is very simple yet effective.
It emits a high pitched squeal when the vehicle backs into something.