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UFO History
science.howstuffworks.com/space/aliens-ufos/ufo-history.htm
Modern UFO history began with the 1947 UFO sighting by pilot Kenneth Arnold. Learn the history of UFOs from ancient times to the mid-20th century.
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
Understanding the Heart Line in Palmistry: A Complete Guide
science.howstuffworks.com/science-vs-myth/everyday-myths/heart-line-palm.htm
The heart line in palmistry reveals emotions, love life, and relationships. Learn how to read your palm and uncover hidden meanings in your heart line.
10 Nightmare Scenarios From the Internet of Things
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The Internet of Things will be a connected world stretching from your kitchen blender to the satellites overhead. Learn how the IoT could go wrong.
How Hurricanes Work
science.howstuffworks.com/nature/natural-disasters/hurricane.htm
How often have you watched a weather forecaster point to a spiral-shaped cloudy mass with a sense of dread and fascination? What fuels these ferocious storms?
Where Is the Hubble Telescope and How Does It Work?
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The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.
How Barrier Islands Work
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Barrier islands are vacation spots and amazing ecosystems. Learn about barrier island habitats, fighting erosion of barrier islands and development's effects on barrier islands.
How Maglev Trains Work
science.howstuffworks.com/transport/engines-equipment/maglev-train.htm
Magnetic levitation trains are becoming a popular transportation topic all around the globe. Learn about electromagnetic suspension, the most popular type of maglev train.
How Web Servers Work
computer.howstuffworks.com/web-server.htm
When you type a Web site address into your browser, Web servers are doing the work of getting you the page you request. Find out how these machines locate Web pages and deliver them to your computer.
How the NASA Space Food Research Lab Works
science.howstuffworks.com/nasa-space-food-research-lab.htm
The NASA Space Food Research Lab develops all of the food used on NASA missions. Learn about the NASA Space Food Research Lab and space food.