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Your search for "vacuum tube" returned 190 results
How Spray Paint Works
home.howstuffworks.com/spray-paint.htm
Spray paint has left an indelible mark on world culture. How did it go from home-improvement solution to cultural icon? Find out in How Spray Paint Works.
How to Care for Your Ears
health.howstuffworks.com/wellness/hygiene-tips/how-to-care-for-your-ears.htm
Taking care of your ears is a small price to pay in return for how much they do for you. Learn how to clean, care for, and protect your ears.
How do astronauts eat in space?
science.howstuffworks.com/astronauts-eat-in-space.htm
Astronauts eat in space with the help of special contraptions and carefully packaged food. Learn more about how astronauts eat in space.
Home Remedies for Earaches
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-earaches-ga.htm
There are some easy home remedies for earaches that can relieve the pain and pressure. Learn about ear infections and home remedies for earaches.
How Cyclonic Separation Works
electronics.howstuffworks.com/everyday-tech/cyclonic-separation.htm
Cyclonic separation is a simple process used in many industrial settings. Read how cyclonic separation gets rid of dust and dirt at HowStuffWorks.com.
Thermostat Maintenance Tips
home.howstuffworks.com/home-improvement/heating-and-cooling/thermostat-maintenance-tips.htm
An inaccurate thermostat can raise your heating bills by up to 7 percent. Learn how to check your thermostat's calibration for efficient energy use.
10 Times Humanity Found the Answer (and Then Forgot)
history.howstuffworks.com/10-times-humanity-found-answer-and-then-forgot.htm
Could humanity be even farther ahead if we hadn't forgotten what we'd learned centuries ago? Learn about 10 times we forgot answers at HowStuffWorks.
Top 10 Appliances We Can't Live Without
home.howstuffworks.com/10-appliances.htm
In a pinch, you could probably do without most of the appliances in your home -- but would you want to? Life would certainly be different without these 10.
20 Everyday Activities and the Calories They Burn
Simple activities like brushing your teeth and taking out the trash can burn calories. Read our list of 20 activities and the calories they burn.
How the Dyson Bladeless Fan Works
electronics.howstuffworks.com/gadgets/home/dyson-bladeless-fan.htm
The Dyson Air Multiplier works like a fan, but it has no blades. Can it be as effective as a traditional fan? What's so different about it?