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Flying High: The Aircraft Quiz
play.howstuffworks.com/quiz/aircraft-quiz
Manned flight has altered the course of humanity. How much do you know about the aircraft of the world? Take this quiz to find out.
Maillardet's Automaton Is a Marvel of 19th-century Robotics
science.howstuffworks.com/maillardets-automaton.htm
Maillardet's Automaton, built around 1800, can write poems and draw pictures and was a precursor to today's sophisticated robots.
Ultimate Guide to Olive Oil
recipes.howstuffworks.com/how-olive-oil-works.htm
The range of olive oils on your grocer's shelf can be confusing. Learn about the different types of olive oil, and when to use them.
What is thermal technology?
science.howstuffworks.com/environmental/energy/thermal-technology.htm
When gas prices leap, people take an interest in thermal technology. Find out what thermal technology is and how heat is used to produce energy.
Knight
history.howstuffworks.com/european-history/knights.htm
Knights, in the Middle Ages, were warrior horsemen. A knight was called Sir, and was usually of a noble or a genteel family.
How Reservation Confirmations Work
money.howstuffworks.com/business-communications/how-reservation-confirmations-work.htm
Automated reservation confirmations have become an important link. Find out how these simple electronic notifications can save you time.
8 Ingenious Ways to Repurpose Used Coffee Grounds
home.howstuffworks.com/green-living/used-coffee-grounds.htm
There are lots of inventive uses for old coffee grounds, including candle-making, bug prevention and de-icing roads.
7 Great Ways to Stay Fit in Da House!
health.howstuffworks.com/wellness/diet-fitness/exercise/stay-fit-from-home.htm
Exercise is more important than ever - it decreases tension and elevates moods - both critical now. So how do you stay fit from home? We'll show you.
How the Euro Works
money.howstuffworks.com/euro.htm
As of January 1, 2002, the euro is the official monetary unit of 12 nations. Find out all about the euro, who's using it and the widespread effects of having a single European currency.
10 Amazing Green Cities
science.howstuffworks.com/environmental/green-science/five-amazing-green-cities.htm
Sure, the Emerald City looked green, but you won't need green-tinted glasses to see how environmentally friendly the cities on this list are. What makes a city amazingly green?