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Your search for "passive" returned 322 results
How does the toilet in a commercial airliner work?
science.howstuffworks.com/transport/flight/modern/question314.htm
When flushing the toilet in a passenger airplane, I'm amazed by the huge noise it makes -- like a powerful vacuum cleaner. Can you explain what makes this noise?
Smart Bandages Can Monitor, Treat Chronic Wounds
health.howstuffworks.com/medicine/modern-technology/smart-bandages-can-treat-chronic-wounds.htm
New smart bandages are the wound-healing technology of the future. HowStuffWorks delves into the science.
The Tuned Mass Damper: How Science Could Earthquake-Proof the Skyscrapers of Tomorrow
science.howstuffworks.com/engineering/structural/smart-structure.htm
Smart Structures will completely change the way buildings react to earthquakes! See how they will work!
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
Are RFID ignition systems secure?
electronics.howstuffworks.com/gadgets/automotive/rfid-ignition-system.htm
RFID ignition systems rely on radio-frequency signals to reduce car thefts. Learn about RFID ignition systems and find out if they really icrease security and reduce thefts.
How Occupant Classification Systems Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/ocs.htm
They enhance your airbag system, but few people know how occupant classification systems work. Learn how occupant classification systems work here.
What is the activity theory of aging?
health.howstuffworks.com/wellness/aging/retirement/activity-theory-of-aging.htm
What is the activity theory of aging? Learn what the activity theory of aging is about and the benefits of staying active and involved throughout your life.
Why Spellcheck Is So Good and Grammar Check Is So Bad
people.howstuffworks.com/why-spellcheck-is-so-good-and-grammar-check-is-so-bad.htm
Why is it so hard for software to check grammar properly? HowStuffWorks talks with some experts, including two from Microsoft.
Which Street Fighter Character Are You?
play.howstuffworks.com/quiz/which-street-fighter-character-are-you
"Street Fighter" is one of the most widely recognized arcades to video games in history. Whether you are a focused martial artist or an electrifyingly wild wrestler, you know which "Street Fighter" character you want to be. Answer these questions, and we'll tell you which character you actually are!
What Do Spiders Eat? Other Spiders, You Say? Yikes!
animals.howstuffworks.com/arachnids/what-do-spiders-eat.htm
Many people are scared of spiders. But spiders help us keep pests under control by feeding on other insects that might spread diseases or attack our gardens.