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The Science of Shade: Unlocking Photochromic Lenses
science.howstuffworks.com/innovation/science-questions/question412.htm
How can my glasses change from transparent, when I'm inside, to dark when I go outdoors?
Are solar car battery chargers effective?
Imagine waking up one morning to find yourself unable to get to work due to a dead car battery. You won't have to do that if you have a solar car battery charger -- but how well do they really work?
Plan a Historical Wedding and We'll Guess Your Relationship Status!
play.howstuffworks.com/quiz/plan-a-historical-wedding-and-well-guess-your-relationship-status
No matter what your relationship status is like, we're going to need your wedding planning skills for an epic day! Oh, and did we mention that we have a time machine that's about to transport you into the past for this?
The Oil Drilling Process Explained
science.howstuffworks.com/environmental/energy/oil-drilling-process.htm
Remember those orange juice commercials? The ones where people tried to poke a rolling orange with a straw?
Can You Insure a Car That Has a Salvage Title?
auto.howstuffworks.com/under-the-hood/salvage-used-junkyard-parts/insure-car-salvage-title.htm
Buying the right kind of insurance can be tricky with any car, but if you're dealing with one that has a salvage title, it can be even more difficult.
Meet the World's Longest Sea-Crossing Bridge
science.howstuffworks.com/engineering/structural/meet-worlds-longest-sea-crossing-bridge.htm
The Hong Kong-Zhuhai-Macao Bridge is 34 miles (55 kilometers) long and connects the territories of Hong Kong and Macao to mainland China for the first time.
How Do Airplanes Get Inflight WiFi and Live TV?
science.howstuffworks.com/transport/flight/modern/do-airplanes-get-wifi-and-live-tv.htm
Ever sat on an airplane and wondered how your laptop works at 30,000 feet?
Smart Wallpaper Contains Fire Alarm
science.howstuffworks.com/smart-wallpaper-contains-fire-alarm.htm
Researchers in China have developed a non-toxic "smart" wallpaper that won't burn and triggers an alarm when it gets hot.
Which East Coast City Are You?
play.howstuffworks.com/quiz/east-coast-city-are-you
There are all sorts of cool cities on the East Coast, and each one of them has its own distinct personality. From Maine to Florida, which city are you?
How Sidewinder Missiles Work
science.howstuffworks.com/sidewinder.htm
A Sidewinder missile weaves through the air toward an enemy target as if it has a mind of its own -- and in a way, it does. High-tech "smart weapons" take most of the guess work out of hitting a target. Find out how Sidewinders seek and destroy.