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How Solar Sail Technology Works
science.howstuffworks.com/solarsail.htm
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.
How Much Do You Know About Heavy Machinery?
play.howstuffworks.com/quiz/how-much-do-you-know-heavy-machinery
Coming through! You don't want to get in the way of our quiz on the steamroller, the bulldozer and other incredibly powerful tools that humans have made. But if you think you're up to the job, test your knowledge of heavy machines now!
How Fleas Work
animals.howstuffworks.com/insects/flea.htm
Fleas are common parasites that feed on the blood of a host, usually your pet. Learn about fleas and find out how to get rid of a flea infestation.
The Seahorse Is a Romantic, Slow-swimming Fish
animals.howstuffworks.com/marine-life/seahorses.htm
Dwindling natural habitats are causing a significant decline in certain seahorse species. To bolster populations, researchers in Australia are building seahorse hotels and leaving the lights on.
How Superchargers Work
auto.howstuffworks.com/supercharger.htm
Superchargers pressurize air intake to above atmospheric pressure. Learn supercharger basics, explore types of superchargers and find out supercharger pros and cons.
How Blast-resistant Clothing Works
science.howstuffworks.com/blast-resistant-clothing.htm
Your most rugged pair of blue jeans can't hold a candle to the cutting-edge blast-resistant clothing and technology. Sure, these fabrics are tough, but can they diffuse bomb blasts?
How Rocket Engines Work
science.howstuffworks.com/rocket.htm
Rocket engines harness the energy to get a spaceship off the ground. Learn about solid-fuel rocket engines, liquid-propellant rockets and the future of rocket engines.
Lettuce
home.howstuffworks.com/lettuce.htm
Lettuce makes many dishes better with its refreshing crispness. Learn how to grow, select and prepare this versatile vegetable.
How Lego Bricks Work
entertainment.howstuffworks.com/lego.htm
LEGO Master Builders and devotees make enormous creations out of tiny LEGO bricks. Learn how the masters create LEGO art and the history of LEGO toys.
How Tunnels Work
science.howstuffworks.com/engineering/structural/tunnel.htm
Constructing a tunnel is one of the most complex challenges in the field of civil engineering. Learn about the basics behind tunnels.