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Top 5 Alternative Power Systems
science.howstuffworks.com/environmental/energy/5-alternative-power-systems.htm
Alternative energy isn't so "alternative" anymore. It's in the news, on political platforms, atop roofs and filling gas tanks, and the options have grown enough to change the conversation: It's not whether we want it, but which kind we want.
How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
Top 10 Green Heating and Cooling Technologies
Compared to standard heating and air systems, going green is better for the environment -- and your wallet because they use less energy. So what kind of green HVAC systems are on the market today? Read on to find out.
How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.
Magnetic Air Conditioners: A High Tech Way Of Keeping Cool
home.howstuffworks.com/magnetic-air-conditioner.htm
Traditional air conditioners are huge consumers of energy. Could magnetic air conditioners keep our homes cooler inside without making temperatures hotter outside?
Is Fiberglass Dangerous?
home.howstuffworks.com/home-improvement/household-safety/dangerous-insulation.htm
Is fiberglass insulation dangerous? Fiberglass insulation is how we keep energy costs down. Learn why some think fiberglass is as bad as asbestos.
Disadvantages of Wind Energy: Do Wind Turbines Affect Health?
science.howstuffworks.com/environmental/green-science/wind-turbines-health.htm
Green, clean energy sounds good at first: Harness the power of the wind to run our creature comforts. But could the sounds people hear (and don't hear) from wind turbines endanger their health?
How Electromagnetic Propulsion Will Work
science.howstuffworks.com/electromagnetic-propulsion.htm
Get a sneak peek (even before NASA scientists) at a new type of spacecraft that could be jolted through space by electromagnets.
Can I use hemp as a building material and to insulate my house?
home.howstuffworks.com/home-improvement/construction/green/hemp-building-material.htm
Hemp as a building material might seem like a fairy tale, but it's not. Check out this article and learn all about using hemp as a building material.
How much can you save by turning off the A/C?
money.howstuffworks.com/personal-finance/budgeting/how-much-save-turning-off-ac.htm
Turning off your A/C can save you money, but do you know how much? Learn how much can you save by turning off the A/C at HowStuffWorks.com.