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How Corrective Lenses Work
science.howstuffworks.com/innovation/everyday-innovations/lens.htm
Eyeglasses are one of the most common sights in the world. Learn what goes into creating the lenses and how to read an eyeglass prescription.
How Night Vision Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/nightvision.htm
Most of us instinctively think of darkness as a way to hide. Night vision has changed all that. So, how can you see someone standing over 200 yards away on a pitch-black night? Find out.
How Forensic Dentistry Works
science.howstuffworks.com/forensic-dentistry.htm
Forensic dentistry, also known as forensic odontology, is a way of identifying people by their teeth. Forensic dentistry encompasses bite-mark analysis.
How Voyager Works
science.howstuffworks.com/voyager.htm
The Voyager program launched two unmanned probes into space. The Voyager spacecrafts captured amazing images and made incredible scientific discoveries.
How Blowtorches Work
home.howstuffworks.com/blowtorch.htm
Blowtorches produce an exceptionally hot flame and harnesses that heat to mold and cut metal. Learn how the blowtorch revolutionized welding.
How the Ironman Works
entertainment.howstuffworks.com/ironman.htm
The Ironman is a multisport trial. The triathlon has replaced the marathon as the greatest test of endurance. Learn what it takes to be an Ironman.
ADHD Overview
health.howstuffworks.com/mental-health/adhd/adhd.htm
ADHD is known by other names, like ADD, and is a controversial disorder surrounded in myths. Is it real? Is ADHD in children just parental lack of control?
26 Home Remedies for Osteoporosis
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-osteoporosis.htm
Learn home remedies for osteoporosis -- everything from exercise to eating right. Find out how to keep bones strong longer.
Interior Paints
home.howstuffworks.com/home-improvement/home-diy/painting/interior-paints.htm
Each room in the house may require a different kind of paint. Read about interior paints, and find the one that's best-suited for you.
How to Change Brake Pads
auto.howstuffworks.com/auto-parts/brakes/brake-repair/change-brake-pads.htm
If it's time to change brake pads, you don't necessarily have to go to a mechanic. Let HowStuffWorks explain how to change brake pads.