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Invention of the Car Back-up Sensor

 
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INVENTION OF THE CAR BACK-UP SENSOR

Most of the newest cars have a “Back-Up Sensor” that warns 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 the concept was first developed by a Chinese farmer.

His invention was simple and effective. It emits a high-pitched squeal when the vehicle backs into something.






hey, I figured out how to post pictures
 
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So, I tried to figure out what picture your were linking to, but failed. So, this was the funniest picture I found when Googling back up sensor:
 
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