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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.
10 Worst Nor'easters of All Time
science.howstuffworks.com/nature/climate-weather/storms/10-worst-nor-easters.htm
What makes a nor'easter different from your run-of-the-mill winter storm? And which ones have done the most damage?
How the Nest Learning Thermostat Works
home.howstuffworks.com/nest-learning-thermostat.htm
What if your thermostat could gather information about your climate and lifestyle, and then program itself to maximize your comfort and save energy? The Nest aims to do just that, but is it worth the cost?
How the Nintendo 3DS Works
electronics.howstuffworks.com/nintendo-3ds.htm
The Nintendo 3DS portable video game system lets you play in 3-D without having to wear special glasses. See how the Nintendo 3DS works.
10 20th-Century Staples We Never Thought Would Die
A lot of folks once thought these 10 things would never become obsolete. Learn about 10 20th-century staples we never thought would die at HowStuffWorks.
10 People With Incredibly Bad Luck
people.howstuffworks.com/10-people-with-incredible-bad-luck.htm
These 10 people had the incredibly bad luck of being in the wrong place at the wrong time or the right place at the wrong time.
10 UAV Jobs of the Future
money.howstuffworks.com/10-uav-jobs-future.htm
Unmanned aerial vehicles (UAV) were originally developed for the military, but there are many civilian uses as well. See 10 UAV jobs to learn more.
How Drone Strikes Work
science.howstuffworks.com/drone-strikes.htm
We know how drone strikes are supposed to work: After careful monitoring, the bad guy is targeted and taken out. The reality is often much hazier - and deadlier.
10 Forms of Online Harassment
computer.howstuffworks.com/10-forms-online-harassment.htm
Online harassment seems to know no bounds, with new opportunities for meanness evolving all the time. Learn about 10 types of online harassment.
10 Epic Magic Trick Failures
entertainment.howstuffworks.com/arts/circus-arts/10-epic-magic-trick-failures.htm
Not all magic tricks go as planned. View these 10 epic magic trick failures to learn about magic tricks gone wrong.