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Your search for "sound meter" returned 187 results
Do airplanes routinely dump their fuel before landing?
science.howstuffworks.com/transport/flight/modern/planes-dump-fuel-before-landing.htm
Why would a pilot ever want to eject an airplane's fuel intentionally? And why would it happen during a flight? Although it sounds alarming, a fuel dump is a safe procedure.
How Do You Measure the Largest Waterfall in the World?
science.howstuffworks.com/environmental/earth/largest-waterfall-in-the-world.htm
Waterfalls are easily among the most spectacular natural wonders of the planet. The constant flow of water can suggest infinity, and the raw sensations - the thundering roar, the rising mist, the sheer volume of water - attest to nature's grandeur and power.
Commensalism: I Benefit, You Don't, but It's All Good
science.howstuffworks.com/life/biology-fields/commensalism.htm
Commensalism is a form of cooperation among species in which one species benefits from another without the first one suffering any harm from the relationship.
What Is the Formula for Velocity?
science.howstuffworks.com/math-concepts/velocity-formula.htm
Many people get speed and velocity confused. It's no surprise because the terms are often used interchangeably. But they're not quite the same thing. So how do you find the velocity of an object?
Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
science.howstuffworks.com/tsar-bomba.htm
In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."
The 10 Longest Bridges in the World
science.howstuffworks.com/engineering/civil/longest-bridges-in-world.htm
Bridges connect people and places, with inspired engineering and views that can't be beat. Here are the 10 longest in the world.
How Stethoscopes Work
science.howstuffworks.com/innovation/everyday-innovations/stethoscopes.htm
Stethoscopes started as a way for 19th-century doctors to put some distance between themselves and grubby patients. Today though, this simple listening tool is one of the best ways to diagnose a range of problems.
If you were to move all of the matter in the universe into one corner, how much space would it take up?
science.howstuffworks.com/dictionary/astronomy-terms/question221.htm
If you took all of the matter in the universe and you pushed it all into one corner, how much space would it take up? I am trying to understand how much of the universe is 'empty.'
If you flew over an earthquake, would you feel the plane shake?
science.howstuffworks.com/nature/natural-disasters/fly-over-earthquake.htm
Let's say a big one strikes the home planet. You, however, happen to be flying above the earthquake's epicenter when the natural disaster ripples through. Would you feel it?
5 Most Amazing Caves
science.howstuffworks.com/environmental/earth/geology/5-amazing-caves.htm
The Doll's Theater of Carlsbad Caverns looks otherworldly and took ages to form. What other incredible sights await us below ground?