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Mexican firm Decano Industries has developed a speed bump that remains in place when a vehicle that is moving too quickly is about to drive over it, but retracts when a slow-moving vehicle approaches. Christ Hawley writes in USA Today:
“With this speed bump, people will feel rewarded for obeying the law,” says Carlos Cano, the company’s president.
The technology is relatively basic: The speed bump is formed by two steel plates that form a triangle sticking out of the pavement. When a car tire touches the plate, a patented device under the triangle measures the force of the impact.
If the tire’s impact is gentle enough — that is, if the vehicle is traveling slowly — both plates immediately collapse into the ground under the weight of the car.
Link via DVICE | Image: Sergio Solache, USA Today
