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.

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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?

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  • How Automotive Glass Works
    How Automotive Glass Works

    When you watch car commercials, you always hear automakers tout their vehicles' safety features. However, they rarely mention the most important one of all -- the glass that keeps you inside. See more »

  • How Brake Assist Works
    How Brake Assist Works

    If you've ever slammed on the brakes to barely avoid a collision, you know full well how important brake assist can be. Brake assist helps stop a vehicle faster to avoid crashes. See more »

  • How Brake Override Systems Work
    How Brake Override Systems Work

    If your car starts speeding out of control, your natural response is to step on the brake. But what if that doesn't stop your car? A brake override system is one way to bring things to a stop. See more »

  • How Car Testing Works
    How Car Testing Works

    Car testing is more than strapping a dummy to the driver's seat and releasing the brake. Engineers conduct myriad secret tests to assess everything from engine performance to design. See more »

  • How Child Car Seats Work
    How Child Car Seats Work

    Seatbelts save lives -- adult lives. For a seatbelt to do its job it must fit correctly, and on a small child a seatbelt is simply the wrong size. In this article, we'll examine the technology at work and find out how to choose the best child seat. See more »

  • How Crumple Zones Work
    How Crumple Zones Work

    Did you know that parts of your car are built with special structures designed to be damaged, crumpled, crushed and broken? These components redistribute the force of an impact before it reaches the vehicle's passengers. See more »

  • 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 does a laser speed gun work to measure a car's speed? How is it different from a radar gun? See more »

  • How Drive-by-wire Technology Works
    How Drive-by-wire Technology Works

    It's a technology that's been well-tested in the aviation industry for nearly two decades. So, why are automakers reluctant to bring drive-by-wire technology to the showroom floor -- or are they? See more »

  • How Electronic Brake Force Distribution Works
    How Electronic Brake Force Distribution Works

    An electronic brake force distribution system determines the exact amount of brake force required at each wheel during any braking situation. But how does the system precisely modulate the brake force? See more »

  • How Electronic Stability Control Works
    How Electronic Stability Control Works

    German auto supplier Bosch developed the first electronic stability control system in the mid-1990s. Decades later, most cars and SUVs are equipped with electronic stability control as standard equipment. See more »

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