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How the Virtual Border Fence Works

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The virtual border fence uses a system of cameras and radar to catch border crossers. Learn about the virtual border fence and border fence technology.

How the Best Public Transportation Benefits Cities and Residents

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A 2019 study evaluated public transportation in 100 U.S. cities, ranking them best to worst. HowStuffWorks explores the results and how we can benefit.

Delivering the Mail to Your Home Is Way More Complex Than You Might Think

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Hundreds of factors determine a mail carrier's route. Learn about some of them at HowStuffWorks.

Unlimited Flights for One Flat Price: Could OneGo Be the Netflix of Air Travel?

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New startup OneGo is trying to create a membership system for unlimited air travel through its app. Learn more in this HowStuffWorks Now article.

How the Autobahn Works

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The autobahn has a reputation for high-speed freedom, but it's not as wild as you may think. Read about the autobahn at HowStuffWorks.

How Self-inflating Tires Work

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Self-inflating tires can change their PSI to adjust to road conditions. Learn about self-inflating tire systems and how they're being adapted for consumers.

What Is a Postal Code? A Brief History of Zip Codes

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You use it all the time, but what is a postal code, really? In short, a zip code expedites mail delivery and helps prevent fraudulent activity on credit cards.

How Albinism Works

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About one in 20,000 people in the U.S. has some type of albinism, and more are afflicted outside of the country. So what is it and how does it happen?

What's the Secret Behind the Numbers on the Interstate Signs?

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Why is one road named I-5 while another is I-480? We take a closer look at the digits on those red, white and blue shield-shaped signs.

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