did-you-kno: There are speed bumps that reward you for slowing down. Designers created a speed bump that flattens for those who drive over it slowly, but people who go too fast will still get a jolt. Source
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did-you-kno: There are speed bumps that reward you for slowing down. Designers created a speed bump that flattens for those who drive over it slowly, but people who go too fast will still get a jolt. Source
