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How the Phonograph Revolutionized Sound Recording
science.howstuffworks.com/innovation/inventions/phonograph.htm
The phonograph transformed audio recording, leaving a lasting impact on how we capture and preserve sound. Learn about the invention's history and evolution.
The Ring of Fire Is the Pacific's Volcanic Hotspot
science.howstuffworks.com/environmental/earth/geology/ring-of-fire.htm
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
15 Butterfly Species to Spot on (Almost) Every Continent
animals.howstuffworks.com/insects/butterfly-species.htm
Butterflies aren't just colorful decorations fluttering around flowers. They are one of the most diverse groups of insects, with more than 17,000 known species.
10 Biggest Wars in History With Death Tolls in the Tens of Millions
history.howstuffworks.com/world-history/biggest-wars-in-history.htm
War has shaped human societies for thousands of years. The biggest wars in history were the armed conflicts with the largest death tolls and the widest political consequences.
How does a vibrating cell phone or pager work?
electronics.howstuffworks.com/question368.htm
I have both a pager and a cell phone that vibrate instead of ringing when I get a call. How does that work?
Earthquake Pictures
science.howstuffworks.com/nature/natural-disasters/earthquake-pictures.htm
These earthquake pictures show building damage, road buckling and fault lines exposed from earthquakes. Click through our gallery of earthquake pictures.
10 Ways to Prevent and Treat Cradle Cap
health.howstuffworks.com/skin-care/problems/baby/5-ways-to-prevent-cradle-cap.htm
Do you know how to treat and prevent cradle cap -- those flaky patches on your baby's scalp? See tips for how to treat and prevent cradle cap.
How Electronic Gates Work
electronics.howstuffworks.com/digital-electronics.htm
Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use them to start building your own devices.
How to Repair a Dishwasher
home.howstuffworks.com/how-to-repair-a-dishwasher.htm
The control panels on dishwashers can look intimidating. They're loaded with so many dials, push buttons, and other features that the machine looks too complex to repair. It isn't. Learn to repair a dishwasher.
How Dust Storms Work
science.howstuffworks.com/nature/climate-weather/storms/dust-storm.htm
Though they're outranked by other, more dangerous natural phenomena, dust storms can still do serious damage to life and property. What causes these massive storms?