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How does a laser speed gun work to measure a car's speed?
How does a laser speed gun work to measure a car's speed? How is it different from a radar gun?
SAFETY & REGULATORY DEVICES
In the Safety & Regulatory Devices section you'll find tools and technology intended to keep drivers and passengers safe, from car seats and airbags to red-light camera technology.
Be Your Own Mechanic
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How does safety glass work?Why is it that at the scene of a car accident the broken glass is always in really small pieces yet when a baseball breaks a house window there are large jagged pieces? See more »
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SUV Safety
In this article, we'll look at the safety reputations of SUVs, find out what safety features to look for when purchasing an SUV and get some SUV driving tips. See more »
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Why are they replacing all of the traffic lights in my town?
In my town they are replacing all of the traffic lights with these new lights that look like they are made of hundreds of tiny bulbs. Why are they replacing all of the lights? See more »
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Self-Organizing Traffic Lights Could Help End Road Congestion
The ways traffic lights handle oncoming cars can be a complicated science, and how well engineers manage that science impacts how much traffic we experience while driving. Learn more about self-organizing traffic lights. See more »
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How does an air bag work
Air bags have saved thousands of lives since their introduction in the early 1980s. So how do they work? See more »
