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MP3 players allow you to carry video, pictures or even thousands of songs in your pocket. Read reviews on MP3 players and learn how MP3 players work.

Eyeglasses are one of the most common sights in the world. Learn what goes into creating the lenses and how to read an eyeglass prescription.

Landing on Mars will be one of the most dangerous and rewarding space missions. Learn how landing on Mars will further our understanding of space.

The zeroHouse may be costly to build, but the zeroHouse could certainly save you on energy bills. Read more about the zeroHouse.

How much do you really need to know in order to properly install car electronics? Find out how to install car electronics at HowStuffWorks.

If you're looking for ways to save money, cutting back on restaurants with their restaurant markups might help. Learn about restaurant markups here.

Oil tankers are large ships that transport oil all over the world. Learn about oil tankers in this article from HowStuffWorks.

The Austin-Healeys were popular sports cars from the 1950s until the mid-1960s. Learn about various models like the 100/4, the Sprite, and the 3000.

Brake lines are tubes that carry brake fluid between brake components. Learn all about brake lines at HowStuffWorks.

Energy-efficient electronics can help you save money by using less electricity. Learn more about different types of energy-efficient electronics.

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