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Blu-U Treatments
health.howstuffworks.com/skin-care/problems/treating/blu-u.htm
Blu-U is a popular treatment of problematic skin. Learn more about how Blu-U works at HowStuffWorks.
How High-speed Photography Works
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High-speed photography records fast-moving objects, capturing images normally invisible to the human eye. Find out about high-speed photography here.
What is ISO speed?
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What is ISO speed? Visit HowStuffWorks to learn what ISO speed is.
Primary Colors Are Red, Yellow and Blue, Right? Not Exactly
science.howstuffworks.com/primary-colors.htm
Primary colors are the blocks from which all other colors are built. But there's a lot more to know about them than the basic red, yellow and blue we learned about in kindergarten.
How Refractive Vision Problems Work
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Millions of people have refractive vision problems -- when the eyes get blurry or can't focus on an object. Learn about four major types of refractive vision problems.
How do the blue-ish headlights on expensive luxury cars work?
auto.howstuffworks.com/question387.htm
I notice that there are certain cars whose headlights seem to have a blue-ish or green-ish tint. A lot of times these headlights are on expensive cars. Are these headlights different from normal headlights?
How Electroluminescent (EL) Wire Works
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Electroluminescent wire is widely used by artists to illuminate clothing, bicycle spokes, turntables and even cars. Learn about electroluminescent wire.
How Do Instant Cameras Work?
electronics.howstuffworks.com/question605.htm
Instant cameras use traditional photographic film methods. Learn how instant cameras develop photos on the go.
Is the army testing an invisible tank?
science.howstuffworks.com/invisible-tank.htm
An invisible tank could give any military a distinctive edge on the battlefield. Find out how the British army is developing an invisible tank.
LCD vs. LED: What's the Difference Between the Displays?
electronics.howstuffworks.com/difference-between-lcd-and-led.htm
Flat screen TVs come in different flavors. Learn about the difference between LCD and LED in this article.