Search Results | topic
Your search for "topic" returned 3,677 results
How Turn Signals Work
auto.howstuffworks.com/turn-signal.htm
To most drivers, turn signals seem pretty simple: There's a lever that makes your signal lights flash. But there's actually some cool technology at work. Find out how this under-used device operates.
How Bearings Work
science.howstuffworks.com/transport/engines-equipment/bearing.htm
Bearings are the invisible heroes inside many mechanical devices. Learn about all different kinds of bearings, including 5-foot ball bearings that keep buildings on solid footing.
How Water Towers Work
people.howstuffworks.com/water.htm
You've probably noticed that there are power outages all the time -- but water outages? Much less common... How does the system work, and work so well? It's simpler than you may think. Find out how the design and location of water towers keep the water flowing.
How Fuel Gauges Work
auto.howstuffworks.com/fuel-gauge.htm
Has your fuel gauge ever read "empty" when you know there are gallons left in your auto's tank? Learn all about how fuel gauges work and how to know when "Empty" means "No seriously, get gas."
What's the most expensive toilet in the world?
home.howstuffworks.com/most-expensive-toilet-in-world.htm
The most expensive toilet in the world is made of solid gold and can be found in Hong Kong. Read about the world's most expensive toilet.
How do meerkat groups choose a dominant female?
animals.howstuffworks.com/mammals/meerkat-dominant-female.htm
A meerkat dominant female is the mastermind behind reproduction in her mob. Read about the meerkat dominant female and her alpha female behavior.
Is there really a 'calm before the storm'?
science.howstuffworks.com/nature/climate-weather/storms/calm-before-storm.htm
Is there really a "calm before the storm"? Learn why it can feel eerily calm before the storm and what causes that calm before the storm.
Do hummingbirds have sex in midair?
animals.howstuffworks.com/birds/hummingbird-sex.htm
Do hummingbirds have sex in midair? Learn about the amazing hummingbird and find out if they really have to hover all of the time.
Does smog make for beautiful sunsets?
science.howstuffworks.com/environmental/green-science/smog-sunset.htm
Many people think that beautiful, blazing sunsets are one upside to living with the smog that hangs over polluted cities. Are they right? Does smog actually enhance sunsets?
Why would a female athlete fail a gender test?
entertainment.howstuffworks.com/gender-test.htm
Why would a female athlete fail a gender test? Find out why doctors may have trouble distinguishing someone's gender.