Non-Newtonian Speed Bump
this spanish company named Badennova developed a speed bump made from non-newtonian fluid. When the car passes through the speed bump at a slow speed, according to the characteristics of the non-Newtonian fluid, the non-Newtonian fluid will be liquid and soft, allowing the car to pass smoothly. but When the car passing quickly, the fluid in the speed bump will be under heavy pressure and will quickly solidify and become hard
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