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How MREs Work

science.howstuffworks.com/mre.htm

Coalition troops have been surviving mainly on MREs (Meals Ready to Eat) for most of Operation Iraqi Freedom. Learn what these portable, adaptable and absolutely essential pieces of military technology are all about.

Are grease cars legal?

auto.howstuffworks.com/fuel-efficiency/vehicles/grease-car.htm

A grease car can save you a lot of money on fuel, but can it also cost you in fines from the government? Learn about grease car legality and the EPA.

Unlocking the Mysteries of Virgo Season: A Cosmic Journey Through Precision, Service, and Self-Refine

entertainment.howstuffworks.com/horoscopes-astrology/virgo-season.htm

Discover Virgo season's influence on organization, introspection, and self-improvement. Learn how this zodiac period enhances focus and productivity.

How Wind Power Works

science.howstuffworks.com/environmental/green-science/wind-power.htm

When air moves quickly, that motion means kinetic energy, which can be captured. Learn how the simplest possible wind-energy turbine works.

How Customs Works

science.howstuffworks.com/transport/flight/modern/customs.htm

To most people a trip through customs is just another stop in an airport or a country's borders. But customs agencies do much more for their countries' governments. In fact U.S. Customs raises more revenue than any agency except the IRS. Find out why and how they do it.

Military Vehicle Trivia

play.howstuffworks.com/quiz/military-vehicle-trivia

Tanks! Jeeps! Armored personnel carriers! The military has more vehicles with more variations than most people could possibly imagine. If you care to test your military vehicle trivia knowledge, gear up and deploy into the quiz!

How the Office of Civilian Defense Worked

money.howstuffworks.com/economics/volunteer/organizations/office-of-civil-defense.htm

The Office of the Civilian Defense was one of the biggest wartime volunteer efforts. Read up on the Office of Civilian Defense and learn when it disbanded.

How Car Computers Work

auto.howstuffworks.com/under-the-hood/trends-innovations/car-computer.htm

Cars seem to get more complicated with each passing year. Today's cars might have as many as 50 microprocessors on them. Essentially, you're driving around in a giant computer. Learn all about it.

What's HVAC? Heating and Cooling System Basics

home.howstuffworks.com/home-improvement/heating-and-cooling/heating-and-cooling-system-basics-ga.htm

Heating systems keep our homes warm during the winter, and air conditioning keeps us cool in summer. But do you know how HVAC systems work?

The Ultimate Repairing a Small Engine Quiz

play.howstuffworks.com/quiz/repairing-small-engine-quiz

Many of our household tools and vehicles — like lawnmowers, chainsaws, outboard boats and snowmobiles — are powered by small engines. It's a good idea to have a working knowledge of how these systems work and what to do when they don't. Take this quiz and find out if you've got the skills to repair and maintain small engines!

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