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10 Homebuilt Tech Tools for the Developing World
electronics.howstuffworks.com/everyday-tech/10-homebuilt-tech-tools-for-developing-world.htm
Homebuilt tech tools and DIY technologies can greatly improve people's lives. Learn about 10 DIY homebuilt tech tools for the developing world.
How Opposed Piston Opposed Cylinder (OPOC) Engines Work
auto.howstuffworks.com/opposed-piston-opposed-cylinder-engine.htm
What are the advantages and disadvantages of opposed piston opposed cylinder engines? Read about OPOC engines at HowStuffWorks.
Rocket Pictures
science.howstuffworks.com/rocket-pictures.htm
These rocket pictures explore the people, science and technologies behind rocket development. Check out this informative series of rocket pictures.
12 Sports and Recreational Activities and the Calories They Burn
Some activities burn more calories than others. Read our list to learn which sports and activities burn the most calories.
What if a plane landed in San Francisco at the same time there was a big earthquake?
science.howstuffworks.com/nature/natural-disasters/plane-landed-in-earthquake.htm
If a plane landed in an earthquake an number of things could happen. Find out what would happen if a plane landed in an earthquake in San Francisco.
How Traveling Sprinklers Work
home.howstuffworks.com/traveling-sprinkler.htm
Oscillating sprinklers are great for watering a square area. But what if your lawn has curves? Traveling sprinklers spray the water exactly where you want it. Find out how they travel around your yard so you don't have to.
How MOAB Works
science.howstuffworks.com/moab.htm
When the U.S. Air Force tested the MOAB last year, it tested one of the largest conventional bombs ever built. MOAB stands for Massive Ordnance Air Burst, and it's not for the faint-hearted. Find out how it fits into the U.S. arsenal.
What were Nikola Tesla's famous inventions?
science.howstuffworks.com/innovation/famous-inventors/famous-nikola-tesla-inventions.htm
Nikola Tesla was a pretty cool guy. Companies and rock bands have been named for him, and he pops up in Hollywood movies regularly. Not bad for one of history's greatest inventors. But what did he do to earn his fame? Here are some of Tesla's standout inventions.
What's Your Wiccan Name?
play.howstuffworks.com/quiz/whats-your-wiccan-name
Upon converting to the Wiccan tradition, many practitioners elect to assume a new name to reflect their place in the spiritual realm. So, are you more of a Calliope or Bronwen? Glenys or Grainne? Take this wicked, Wiccan quiz to find out!
The Ultimate Supervillains Quiz
play.howstuffworks.com/quiz/supervillains-quiz
Supervillains are the yin to the superhero yang. How much do you know about the most famous supervillains of all time? Take this quiz to test your knowledge.