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10 Stones to Use in Your Hardscape
home.howstuffworks.com/lawn-garden/professional-landscaping/10-stones-to-use-in-your-hardscape.htm
Are you looking for some stones to use in your hardscape? Check out this article and get our top 10 stones to use in your hardscape.
10 Innovations in Hydropower
science.howstuffworks.com/environmental/energy/10-hydropower-innovations.htm
People all over the world are working on turning this very ancient power source into an even more important modern one. And that means a lot more than dams.
10 Possible Solutions to Air Pollution
science.howstuffworks.com/environmental/green-science/10-transportation-pollution-solutions.htm
Not only do cars produce a large portion of the world's pollution, but airplanes, boats, trucks, trains and buses also contribute to pollution. Is there one magic solution to pollution?
How Opposed Piston Opposed Cylinder (OPOC) Engines Work
auto.howstuffworks.com/opposed-piston-opposed-cylinder-engine.htm
What are the advantages and disadvantages of opposed piston opposed cylinder engines? Read about OPOC engines at HowStuffWorks.
How Relief Wells Work
science.howstuffworks.com/environmental/green-science/relief-well.htm
Relief wells are used to prevent and stop dangerous oil flows. Learn about relief wells and how relief wells are drilled.
What Is Filter Feeding?
animals.howstuffworks.com/animal-facts/filter-feeding.htm
Filter feeding is a type of aquatic feeding in which animals take in many small pieces of prey at once. See how this filter feeding system works.
What are atmospheric water generators?
home.howstuffworks.com/atmospheric-water-generators.htm
Water generators have been around for a long time, but they use a lot of energy. Enter the atmospheric water generator, cleaning your water one drop at a time.
How Solar Panel Highways Work
science.howstuffworks.com/environmental/energy/solar-panel-highway.htm
Solar panel highways are explained in this section. Learn about solar panel highways.
Why Did the T. Rex Have Such Puny Arms?
animals.howstuffworks.com/dinosaurs/why-did-t-rex-had-such-puny-arms.htm
Tyrannosaurus rex was a giant predator that roamed the earth, so why did it have such tiny arms?
Tips for Minimizing Your Carbon Footprint
science.howstuffworks.com/environmental/green-science/minimizing-carbon-footprint.htm
Environmental awareness is at an all-time high. We've moved beyond the message that littering is bad -- today we have Web sites, television programs, documentaries and books examining our impact upon the environment.