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How Aerogels Work
science.howstuffworks.com/aerogel.htm
Aerogels are incredible materials that could have dozens of uses from insulation to oil spill cleanup. Learn about aerogels in this article.
How Magnets Work
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Magnets produce magnetic fields and attract metals like iron, nickel and cobalt. They're used in all sorts of applications but how are they made and how do they work?
How are frequency and wavelength of light related?
science.howstuffworks.com/dictionary/physics-terms/frequency-wavelength-light.htm
Frequency has to do with wave speed and wavelength is a measurement of a wave's span. Learn how frequency and wavelength of light are related in this article.
How are voltage surges and spikes different?
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What happens when there's too much voltage? Learn about the difference between voltage surges and spikes from this article.
10 Wacky Forms of Alternative Energy
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Wacky forms of alternative energy include using human energy as power and bugs that make fuel. Learn about the wacky forms of alternative energy.
How to Get a Job in the Army Corps of Engineers
science.howstuffworks.com/military/army-careers/how-to-get-job-in-army-corps-of-engineers.htm
Want to know how to get a job in the Army Corps of Engineers? Visit HowStuffWorks to learn how to get a job in the Army Corps of Engineers.
Towering Obelisks Are Everywhere. Here's Why They're So Awe-inspiring
science.howstuffworks.com/engineering/architecture/obelisk.htm
Obelisks can be found in cities throughout the world, from Washington, D.C., to Paris, France. But what is the origin of these massive structures?
Iterative Evolution: Did the Aldabra Rail Evolve Twice?
science.howstuffworks.com/life/evolution/iterative-evolution.htm
The flightless Aldabra rail only lives on the Aldabra Atoll in Madagascar. But this example of iterative evolution descended from birds that soar.
What's the environmental impact of the Deepwater Horizon oil spill?
science.howstuffworks.com/environmental/energy/deepwater-horizon-oil-spill.htm
The Deepwater Horizon oil spill is one of the worst oil spills in history, and its effects are largely still unknown. Learn about the Deepwater Horizon.
What Are the 7 Largest Countries in the World by Area?
science.howstuffworks.com/environmental/earth/geophysics/largest-countries-in-world-by-area.htm
The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?