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Hypersonic Speed Explained: How Hypersonic Planes Work
science.howstuffworks.com/transport/flight/modern/hypersonic-plane.htm
Higher, farther, faster: NASA's X-43A plane is destined to set new speed records. What sets the X-43A apart from other rocket-powered aircraft is that it is powered by a scramjet engine. Learn all about it.
What Does a Humidifier Do? How Humidifiers Work
home.howstuffworks.com/humidifier.htm
Is the air feeling a little too dry in your home? A humidifier can help make things more comfortable -- and even save a little wear and tear on your house. But what does a humidifier do, exactly?
How Solar Sails Work
science.howstuffworks.com/solar-sail.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 Liquid Motion Lamps Work
home.howstuffworks.com/lava-lamp.htm
The liquid motion lamp has been a pop-culture icon since the 1960s. Learn about the history of liquid motion lamps and see a video explaining their composition.
How Thermoses (Vacuum Flasks) Work
home.howstuffworks.com/thermos.htm
How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!
How to Lucid Dream
science.howstuffworks.com/life/inside-the-mind/human-brain/lucid-dreaming.htm
Lucid dreaming is when you're in a dream, but you're aware in you're in a dream. Learn more about lucid dreaming.
How Fair Trade Works
money.howstuffworks.com/fair-trade.htm
Fair trade promotes better wages and living conditions for local-level workers. Learn how consumers become essential parts of fair trade.
How Blocking Incoming Calls Works
electronics.howstuffworks.com/blocking-incoming-call.htm
Blocking incoming calls can prevent pushy salespeople and persistent telemarketers from reaching you. Why else are people blocking incoming calls?
How Lines of Credit Work
money.howstuffworks.com/personal-finance/banking/lines-of-credit.htm
A line of credit can be a useful tool for a consumer or small business owner. Learn how lines of credit work at HowStuffWorks.
Will I get shocked if I drive an electric car through a big puddle?
auto.howstuffworks.com/fuel-efficiency/vehicles/electric-car-shock.htm
If you drive an electric vehicle, should you be concerned with electric vehicle safety? Find out why it's important to understand electric vehicle safety.