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How Hydroponics Works
home.howstuffworks.com/lawn-garden/professional-landscaping/hydroponics.htm
Hydroponics is the practice of growing plants without soil. Learn more about how hydroponics uses water as the nutrients for plants.
How Space Elevators Will Work
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Space elevators are explained in this article. Learn about space elevators.
What's Really Going on at the 'Tesla Tower'?
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There's a mysterious tower in Texas that strongly resembles Nikola Tesla's Wardenclyffe Tower. Its constructors say they're testing some new forms of electromagnetic waves. But is something else going on?
Hubble Hubble: Telescope Provides Stunning New Images of Two Planetary Nebulas
science.howstuffworks.com/hubblenew-images-planetary-nebulas.htm
Astronomers used Hubble's full range of imaging to dissect wild 'fireworks' happening in two nearby young planetary nebulas.
How has NASA helped improve our air and water?
science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-air-and-water.htm
How has NASA helped improve our air and water? Visit HowStuffWorks to see how NASA has helped improve our air and water.
How Sand Dunes Work
science.howstuffworks.com/environmental/earth/geology/sand-dune.htm
Sand dunes are more intriguing than you might think. For one, some sand dunes sing. What other interesting facts can you learn about sand dunes?
How Gene Banks Work
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Gene banks preserve thousands of genetic samples from organisms and store them in frozen vaults. Learn why gene banks are becoming more urgent.
10 Technologies Used in Green Construction
What exactly is green construction technology? Visit HowStuffWorks and learn the 10 technologies used in green construction.
Why do we study bugs?
animals.howstuffworks.com/insects/why-study-bugs.htm
There are many reasons why we study bugs, from protecting crops to preventing the spread of disease. Learn more about why we study bugs at HowStuffWorks.
How Relief Wells Work
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Relief wells are used to prevent and stop dangerous oil flows. Learn about relief wells and how relief wells are drilled.