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How does a 'bionic eye' allow blind people to see?

health.howstuffworks.com/medicine/modern-technology/bionic-eye.htm

A company called Second Sight has received FDA approval to begin U.S. trials of a retinal implant system that gives blind people a limited degree of vision. Find out how the 'bionic eye' will work.

Why is there air in my brake lines?

auto.howstuffworks.com/auto-parts/brakes/brake-problems/air-in-brake-line.htm

A mechanic said there was air in my brake lines. Is this possible? Why is there air in my brake lines?

What Is Solar Wind?

science.howstuffworks.com/dictionary/astronomy-terms/solar-wind-info.htm

Solar wind is a continuous stream of mostly hydrogen and helium that flows outward from the sun in all directions. It does everything from disrupt GPS signals to create the aurora borealis.

How to Use Mirrors While Towing

auto.howstuffworks.com/auto-parts/towing/vehicle-towing/maneuvers/using-mirrors-while-towing.htm

Using mirrors while towing is essential to towing your vehicle safely. Learn all about using mirrors while towing at HowStuffWorks.

How Trailer Roof Vents Work

auto.howstuffworks.com/auto-parts/towing/equipment/accessories/trailer-roof-vents.htm

Trailer roof vents are helpful to have in any enclosed towing apparatus. Learn about trailer roof vents at HowStuffWorks.

What Causes Tides? High and Low Tides Explained

science.howstuffworks.com/environmental/earth/geophysics/tide-cause.htm

The oceans' levels change daily across the globe. We know them as tidal changes. But what causes this constant shift in sea level and why is it more dramatic is some places than others?

What's a scanning backlight?

electronics.howstuffworks.com/scanning-backlight.htm

A scanning backlight can be found in TVs and activates when and where it's needed to produce images. See how scanning backlights are used.

Are bats a delicacy in some countries?

recipes.howstuffworks.com/menus/bats-delicacy.htm

Are bats a delicacy is some countries. The short answer is yes. Check out this article on HowStuffWorks to learn more about bats as food.

Why does your sweat sometimes smell like ammonia?

health.howstuffworks.com/skin-care/information/nutrition/ammonia-sweat-smell.htm

Have you noticed an ammonia sweat smell when you've been exercising? See what causes it and what you can do to stop ammonia sweat smell.

How can doctors use virtual reality to treat phobias?

science.howstuffworks.com/life/inside-the-mind/human-brain/virtual-medicine.htm

Virtual medicine was developed to try and help the millions of people that suffer from phobias. Learn what virtual medicine is, and how it can treat fears.

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