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How Hydropower Plants Work
science.howstuffworks.com/environmental/energy/hydropower-plant.htm
Hydropower plants produce about 24 percent of the world's electricity and supply more than 1 billion people with power. Find out how hydropower plants work.
How Radar Detectors Work
auto.howstuffworks.com/radar-detector.htm
If you have a lead foot, you may have invested in a radar detector. Find out how these devices pick up police radar and lidar and learn what a jamming signal does.
Can wireless technology help fight crime?
electronics.howstuffworks.com/wireless-technology-fight-crime.htm
Cell phones and other wireless technology help fight crime by making authorities always reachable. Read what wireless technology can help fight crime.
Should You Save Your Baby's Umbilical Cord Blood?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/labor-delivery/umbilical-cord-blood.htm
Umbilical cord blood usually gets thrown away as medical waste, but maybe you should keep it. Umbilical cord blood is an important source of CBE stem cells.
What Is a Prepaid Phone? The Pros and Cons of 'Burners'
electronics.howstuffworks.com/prepaid-cell-phones.htm
Prepaid cell phones are a great alternative for people who are tired of contracts. Learn more about prepaid cell phones at HowStuffWorks.
8 Home Remedies for Whiter Teeth
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-whiter-teeth.htm
Our home remedies for whiter teeth warn you how to avoid stained teeth, and also discuss tooth whitening methods.
How to Insulate Basement Walls
home.howstuffworks.com/home-improvement/heating-and-cooling/insulate-basement-walls.htm
Insulating basement walls is tricky without proper instruction. Learn how to insulate basement walls properly at HowStuffWorks.
How Solar Cooking Works
science.howstuffworks.com/environmental/green-science/solar-cooking.htm
If you've ever seen a kid frying ants with a magnifying glass, you know that the concentrated power of the sun can create great heat. But what if that heat were applied to something a bit more productive -- something like cooking food?
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 Environmental Organizations Work
money.howstuffworks.com/economics/volunteer/organizations/environmental-organizations.htm
Environmental organizations all try to help in different ways. Learn about environmental organizations at HowStuffWorks.