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How Public Schools Work
people.howstuffworks.com/public-schools.htm
Public schools educate about 50 million students a year. A look at costs, challenges, magnet and charter schools and teacher quality.
How Liquefied Petroleum Gas Works
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/lpg.htm
You probably know it as the stuff that fuels a gas grill or a Zippo lighter, but that's just the beginning. People are modifying cars to run on the stuff. Learn all about liquefied petroleum gas.
Rapid Fire Quiz: Car Symptoms and Solutions Edition
play.howstuffworks.com/quiz/rapid-fire-quiz-car-symptoms-and-solutions-edition
Quick! What does it mean when your car ...? We'll give you some symptoms, and you tell us what the cause might be. Do you have what it takes to diagnose automotive problems and come up with the fix? We bet you do, so prove us right!
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 many people does one farmer feed in a year?
recipes.howstuffworks.com/how-many-farmer-feed.htm
One farmer's annual output can feed many people -- but exactly how many? Find out how tricky it is to see how many people a farmer feeds each year.
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.
10 Totally Unappreciated 'Star Wars' Droids
entertainment.howstuffworks.com/10-unappreciated-star-wars-droids.htm
Not every 'Star Wars' droid gets the star treatment. Learn more about unappreciated droids at HowStuffWorks.
5 Myths About Renewable Energy
science.howstuffworks.com/environmental/green-science/5-myths-renewable-energy.htm
We're currently suspended between two ages: a time dependent on fossil fuels and a future dominated by renewable energy sources. Yet not everyone is sold on this vision, so a number of myths about renewable energy persist.
How to Drive Economically
money.howstuffworks.com/personal-finance/budgeting/how-to-drive-economically.htm
Energy costs are rising. Driving with fuel economy in mind is one step you can take toward conserving fuel. Learn to drive and save money on gas.
How Icemakers Work
home.howstuffworks.com/icemaker.htm
Icemakers use an electric motor, a water valve and an electrical heating unit to pour, freeze and extract ice cubes. Learn about home and commercial icemakers.