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Your search for "sound meter" returned 188 results
How Geodesic Domes Work
science.howstuffworks.com/engineering/structural/geodesic-dome.htm
If you think regular old domes took the world of structural engineering by storm, you should meet their geodesic cousins. What is a geodesic dome, and who first came up with the idea of building triangle-covered spheres as practical structures?
Nutty Putty Cave: Before and After the Tragic Death of John Jones
science.howstuffworks.com/environmental/earth/geology/nutty-putty-cave.htm
Nutty Putty Cave, near Salt Lake City, Utah, was discovered in 1960 and sealed up forever in 2009. But why?
A 'Tree That Owns Itself' Grows in Athens, Georgia
science.howstuffworks.com/life/botany/tree-that-owns-itself-athens-georgia.htm
A massive white oak in Athens, Georgia has many wondering whether a tree can even have legal rights. HowStuffWorks talked to experts to find out.
10 Ways to Stop a Killer Asteroid
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Killer asteroids are all fun and games -- until they're headed for earth. Luckily, scientists have come up with 10 ways to stop a killer asteroid.
What is nanotechnology?
science.howstuffworks.com/what-is-nanotechnology.htm
Nanotechnology is one of the hot buzzwords of the 21st century. Learn what is technology and some of the applications for nanotechnology.
How Natural Burial Works
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Natural burial is becoming more popular as people begin to eschew unnatural internment processes. Learn about natural burial or green burial.
Inside Georgia Aquarium: The Biggest Aquarium in the U.S.
science.howstuffworks.com/environmental/conservation/issues/georgia-aquarium.htm
The Georgia Aquarium is the world's largest aquarium. How did they build habitats for all the animals, and what does it take to keep them fed and healthy? Find out about the aquarium and learn about the animals that call it home.
How Power Grids Work
science.howstuffworks.com/environmental/energy/power.htm
Electrical power is a little bit like the air you breathe: You don't really think about it until it is missing. There are good reasons the power grid distribution system works the way it does, though it can lead to some big problems.
How Long Does It Take for Black Mold to Kill You?
science.howstuffworks.com/life/cellular-microscopic/black-mold.htm
Mold is a type of fungus, and it's everywhere - indoors, outdoors and even in the air. But is black mold worse than the rest? Is it as deadly as people say?
What was the first steel-framed skyscraper?
science.howstuffworks.com/engineering/structural/first-steel-framed-skyscraper.htm
What was the first steel-framed skyscraper? Learn about the engineering behind the first steel-framed skyscraper at HowStuffWorks.