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Your search for "hydroelectric" returned 74 results
How Much Do You Know About the Seven Wonders of the World?
play.howstuffworks.com/quiz/how-much-do-you-know-the-seven-wonders-the-world
The Seven Wonders of the World are legendary for capturing our hearts and imaginations. People travel all the way across the world to see one of the wonders, as though it were a pilgrimage. This quiz will take you there, without the expensive airfare.
What Billions in U.S. Aid Accomplished in Afghanistan: 5 Questions Answered
history.howstuffworks.com/world-history/aid-to-afghanistan-news.htm
Some $150 billion in nonmilitary U.S. aid flowed into Afghanistan from 2001 to 2020, but what exactly was accomplished in that time with that amount of money?
How Nikola Tesla Worked
science.howstuffworks.com/innovation/famous-inventors/nikola-tesla.htm
Although many still remember Nikola Tesla, his name doesn't carry the weight it once did during his famous battles with Thomas Edison. What was this eccentric genius like?
What Is the Butterfly Effect and How Do We Misunderstand It?
science.howstuffworks.com/math-concepts/butterfly-effect.htm
We may think the butterfly effect means that a small change (like the flap of a butterfly's wings) can have huge consequences (a tornado in China). But what if it means the opposite?
Hiking el Caminito del Rey, Once the World's Most Dangerous Trail
history.howstuffworks.com/world-history/el-caminito-del-rey.htm
HowStuffWorks hikes El Caminito del Rey, a very dangerous hiking path in Spain that was closed to the public for 15 years after several deaths.
14 of the New Deals Alphabet Agencies
money.howstuffworks.com/14-of-the-new-deals-alphabet-agencies.htm
The New Deal's Alphabet Agencies were created during the Great Depression to relieve the economic tensions. Learn about these Alphabet Agencies.
How will plug-in hybrids affect the environment?
auto.howstuffworks.com/car-models/plug-in-hybrids/plug-in-hybrids-affect-the-environment.htm
How will plug-in hybrids affect the environment? Learn how plug-in hybrids could affect the environment at HowStuffWorks.
10 Longest Rivers in the U.S.: From the Missouri to the Brazos
science.howstuffworks.com/environmental/earth/geophysics/longest-river-in-the-us.htm
We bet you're looking up the longest river in the U.S. to settle a bet: Is it the Missouri River or the Mississippi River? It depends how you measure.
Chloroplasts Are the Plant Cells That Manufacture Energy
science.howstuffworks.com/life/cellular-microscopic/chloroplasts.htm
Chloroplasts are where some of the most miraculous chemistry on Earth goes down.
12 Freest Countries in the World, According to the HFI
people.howstuffworks.com/freest-countries-in-the-world.htm
Everyone probably likes to imagine that they live in one of the freest countries in the world, but is "freedom" something that can even be quantified? Is there a definitive way to say that my country is more free than your country?