Car Safety and 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.


With parking space limited in big cities, squeezing your car into a tiny space is a vital skill. Learn how self-parking cars can remove the difficulty stress and uncertainty of this chore.

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.

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.

Seatbelts save thousands of lives each year. How can a piece of fabric end up being the difference between life and death? What does a seatbelt actually do? Learn how seatbelts react in a crash.

The light turns red. You're alone at the intersection. There's not another car in sight. Do you run it? Read this before you answer.

Mechanical odometers have been counting the miles for centuries. Although they are a dying breed, they are incredibly cool inside. Learn how this simple device tracks distance and find out about digital odometers.

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?

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

Air bags have saved thousands of lives since their introduction in the early 1980s. So how do they work?

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?

There is something exotic about the traffic lights that "know" you are there -- the instant you pull up, they change! How do they detect your presence?

A friend of mine just bought a new car and it has a neat security feature. The ignition key has what looks like a microchip embedded in it. The owners manual says that without this chip the engine either will not start or will start and then die immediately. How does this microchip on the key prevent the engine from starting?

Statistics show that airbags reduce the risk of dying in a head-on crash by 30 percent. Learn the science behind the airbag, what its problems are and where the research is heading.