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Environmental Activities
lifestyle.howstuffworks.com/crafts/animal-crafts/environmental-activities.htm
Dig in dirt or through books to educate yourself on the environment. Learn more about environmental activities and kids crafts.
How Rail Guns Work
science.howstuffworks.com/rail-gun.htm
Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). So why isn't the military using them? Find out how rail guns can be used and learn about the limitations of this technology.
How Central Vacuum Systems Work
home.howstuffworks.com/central-vacuum.htm
When the floor needs a good cleaning, most of us reach for the portable vacuum cleaner and drag it around the house. Well, what if your whole house were a vacuum? Find out how central vacuum systems work.
How LRAD Works
science.howstuffworks.com/lrad.htm
What makes sound a weapon? Review the basics of sound and discover exactly how the LRAD produces its "beam of sound." We'll also explore LRAD's hailing and warning abilities and other uses for sound.
How the Toyota PM Works
auto.howstuffworks.com/toyota-pm.htm
With the unveiling of the Personal Mobility (PM) concept car, Toyota's designers have shared a new vision of personalized travel. Find out all about the PM's design, power, and unique features.
How Armored Cars Work
auto.howstuffworks.com/armored-car.htm
Most armored vehicles get their extra protection from specialists instead of at the factory. Read about armored cars and how they're designed.
5 Strangest Vehicles Ever Made
auto.howstuffworks.com/5-strangest-vehicles.htm
The 5 strangest vehicles ever made run the gamut from amphibious vehicles to vehicles modeled after desserts. Read about the 5 stranges vehicles ever.
How to Turn a Bedroom Into a Home Theater
Are you how to turn a bedroom into a home theater? Find out how to turn a bedroom into a home theater in this article.
5 Weight-bearing Exercises for Retirees
health.howstuffworks.com/wellness/aging/retirement/5-weight-bearing-exercises-for-retirees.htm
These weight-bearing exercises for retirees aren't too hard to do, and some are even fun. Learn about 5 weight-bearing exercises for retirees.
Guide to Being 10 Weeks Pregnant
What is pregnancy like when you're 10 weeks along? Check out TLC's guide to being 10 weeks pregnant.