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What Is Aperture?
electronics.howstuffworks.com/cameras-photography/tips/aperture.htm
Aperture is a photography term and it is something you can adjust when taking pictures. Visit HowStuffWorks to learn all abut aperture.
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
Does smog make for beautiful sunsets?
science.howstuffworks.com/environmental/green-science/smog-sunset.htm
Many people think that beautiful, blazing sunsets are one upside to living with the smog that hangs over polluted cities. Are they right? Does smog actually enhance sunsets?
How the James Webb Space Telescope Works
science.howstuffworks.com/james-webb-space-telescope.htm
NASA's James Webb Space Telescope will look back in time to see the earliest stars in creation, and serve as the premier deep space observatory for the next decade. Ready to meet the mighty Webb?
Lasik Surgery
health.howstuffworks.com/medicine/surgeries-procedures/lasik.htm
LASIK surgery corrects vision with a laser in seconds. Learn about LASIK surgery, the lasers used in LASIK surgery and recovery info and possible risks.
How to Match Paint Color: Can a Machine Perfect the Process?
home.howstuffworks.com/machine-match-paint.htm
How can a machine match a paint color perfectly? A spectrophotometer is your answer. Learn more how this machine can match paint.
How Does an Invisibility Cloak Work?
science.howstuffworks.com/invisibility-cloak.htm
With optical-camouflage technology, the invisibility cloak is a reality. Learn what it is.
How Luminol Works
science.howstuffworks.com/luminol.htm
Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.
5 Photography Techniques Everyone Should Know
Want to learn the photography techniques everyone should know? Visit HowStuffWorks to find 5 photography techniques everyone should know.
How Artificial Vision Will Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-vision.htm
There was once no cure for blindness, but artificial vision systems implanted directly on the retina may restore sight. Is a silicon microchip the answer to combating retinal disease?