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Your search for "principle" returned 1,296 results
Is a free market "free" if it's regulated?
money.howstuffworks.com/free-market-economy.htm
A free market is subject to peaks and troughs in a bustling or failing economy -- no one regulates it. Learn how a free market works and theories behind it.
What are solar air heaters?
home.howstuffworks.com/solar-air-heaters.htm
With fuel costs and other factors, solar air heaters are getting more attention. Learn about solar air heaters and how they can heat your home.
How to Build a Rock Garden
home.howstuffworks.com/lawn-garden/professional-landscaping/build-a-rock-garden.htm
If you've ever wanted to build a rock garden, we've got the insight into this ancient art. Learn how to build a rock garden and the supplies you need.
How Irrigation Lines Work
home.howstuffworks.com/lawn-garden/professional-landscaping/irrigation-line.htm
Irrigation lines can transport water from point A to point B without you hauling buckets. Learn how irrigation lines can water your greenery easily.
What Is the Singularity? And Should You Be Worried?
electronics.howstuffworks.com/gadgets/high-tech-gadgets/technological-singularity.htm
The technological singularity happens when computers develop their own intelligence. Learn about the technological singularity.
How to Conserve Water While Still Keeping a Beautiful Garden
home.howstuffworks.com/lawn-garden/professional-landscaping/conserve-water-in-garden.htm
To conserve water in your garden, there are some simple steps you can take. Learn ways to conserve water in your garden -- and still watch it grow.
How is ceramic tile made?
home.howstuffworks.com/home-improvement/construction/materials/how-is-ceramic-tile-made.htm
How is ceramic tile made? It all starts with clay. If you've ever wondered how ceramic tile is made, come see the journey from clay to glazed product.
How High-speed Photography Works
electronics.howstuffworks.com/high-speed-photography.htm
High-speed photography records fast-moving objects, capturing images normally invisible to the human eye. Find out about high-speed photography here.
How Ham Radio Works
electronics.howstuffworks.com/ham-radio.htm
Ham radio lets people talk across the globe, wirelessly and inexpensively. Learn how to get started in ham radio, from licenses to equipment, and check out two-way radio reviews.
Backyard Activities for Kids
lifestyle.howstuffworks.com/crafts/seasonal/backyard-activities-for-kids.htm
Backyard Activities for Kids are a great way to have summer fun close to home while you teach your kids about nature. Learn these backyard activities.