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How Electric Aircraft Work
science.howstuffworks.com/environmental/green-tech/sustainable/electric-aircraft.htm
Electric aircraft are explained in this article. Learn about electric aircraft.
Top 5 Green Robots
science.howstuffworks.com/environmental/green-tech/sustainable/5-green-robots.htm
There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.
What are the pros and cons of social networking sites?
computer.howstuffworks.com/internet/social-networking/information/pros-cons-social-networking.htm
What are the pros and cons of social networking sites? Find out what the pros and cons of social networking sites are at HowStuffWorks.
Is Gross National Happiness more important than the GDP?
money.howstuffworks.com/gross-national-happiness.htm
Is Gross National Happiness a reliable economic indicator? Do happy workers improve the Gross National Product? Learn about Gross National Happiness.
Did women volunteers serve in World War II?
money.howstuffworks.com/economics/volunteer/information/women-volunteers-world-war-ii.htm
What did women volunteers do in World War II? Read about the role and impact of women volunteers in World War II in this article from HowStuffWorks.
How the Aqualim Shower Head Works
science.howstuffworks.com/environmental/green-tech/sustainable/aqualim-shower-head.htm
The Aqualim shower head is discussed in this section. Learn about the Aqualim shower head.
Are there secret messages in da Vinci's 'The Last Supper'?
entertainment.howstuffworks.com/arts/artwork/last-supper-theory.htm
The 'Last Supper' painting by Da Vinci has generated many hidden-meaning theories. Could these theories be real? Learn more about the 'Last Supper'.
Are RFID ignition systems secure?
electronics.howstuffworks.com/gadgets/automotive/rfid-ignition-system.htm
RFID ignition systems rely on radio-frequency signals to reduce car thefts. Learn about RFID ignition systems and find out if they really icrease security and reduce thefts.
Bird Pictures
animals.howstuffworks.com/birds/bird-pictures.htm
Did you know that it's the possession of feathers, not the ability to fly, that distinguishes birds from other animals? Check out these bird pictures.
Are solar-powered vehicles still a possibility?
auto.howstuffworks.com/fuel-efficiency/vehicles/solar-powered-vehicle-possibility.htm
Will there ever be a day when we'll use a solar-powered car as our main form of transportation? Find out if a solar-powered car is still a possibility?