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How the Virtual Border Fence Works
people.howstuffworks.com/virtual-border-fence.htm
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.
Tips for Grouting Tile
home.howstuffworks.com/home-improvement/construction/planning/grouting-tile.htm
Are you looking for tips for grouting tile? Check out HowStuffWorks for tips on grouting tile.
What causes the sound of a heartbeat?
health.howstuffworks.com/human-body/systems/circulatory/sound-of-heartbeat.htm
We're all familiar with the sound of a heartbeat: lub-dub, lub-dub. Learn what causes the sound of a heartbeat and why yours might sound different.
How Aquaponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/aquaponics.htm
Aquaponics is the farming of both fish and crops in one system. The crops thrive on the fish waste. Learn more about aquaponics.
What is astrophotography?
science.howstuffworks.com/astrophotography.htm
If your idea of photographing the stars has nothing to do with Hollywood, you might be interested in astrophotography -- the sky's literally the limit.
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
Rock and Mineral Activities for Kids
lifestyle.howstuffworks.com/crafts/nature-crafts/rock-and-mineral-activities-for-kids.htm
Try these rock and mineral activities for kids and learn more about all sorts of rocks. Learn more about these rock and mineral activities for kids.
10 Things Your Cleaning Lady Doesn't Want You to Know
Maid services are convenient for those who don't want to clean all the time, but what are some things your cleaning lady doesn't want you to know.
10 Muslim Funeral Traditions
people.howstuffworks.com/culture-traditions/funerals/10-muslim-funeral-traditions.htm
Coping with the loss of a friend or family member is difficult, no matter what your faith. All religions have funeral rites and traditions for dealing with death, and Islam is no different. What are some Muslim funeral traditions?
How to Nurse an Ailing Dog
animals.howstuffworks.com/pets/how-to-nurse-an-ailing-dog.htm
Nursing an ailing dog sometimes can be done at home. Learn how to help a sick dog without having to go to the vet.