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11 Inventions That Changed the World as We Know It

science.howstuffworks.com/innovation/inventions/5-funny-inventions-that-changed-the-world.htm

Inventing a useful product or process is serious business - turn a great idea into a marketable widget, and you could earn millions of dollars. But that doesn't mean your widget has to be straitlaced and conservative.

1955-1957 Chevrolet Light-Duty Trucks

auto.howstuffworks.com/1955-1957-chevrolet-trucks.htm

The 1955-1957 Chevrolet light-duty trucks featured an all-new elegant body style and mechanical improvements like a small-block V-8. Learn more.

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?

Milgram Shock Experiment: A Vital Lesson in Social Psychology

science.howstuffworks.com/life/inside-the-mind/emotions/milgram-shock-experiment.htm

Stanley Milgram's experiment was a controversial test of human psychology that shed light on the limitations of free will and obedience to authority.

How a Circuit Breaker Works

electronics.howstuffworks.com/circuit-breaker.htm

Circuit breakers are an essential safety component in any home electrical system. Learn about home circuit breakers and breaker design.

How Rumble Robots Work

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Rumble Robots are some of the most popular toys right now. Find out how these RC bots wage war and keep score!

10 Bad Alternator Symptoms to Watch, Listen and Smell For

auto.howstuffworks.com/under-the-hood/diagnosing-car-problems/mechanical/5-signs-alternator-problems.htm

When your car's alternator begins to fail - or has already failed - there are certain warning signs that you can expect to see along the way. But do you know what they are?

What is optical audio?

electronics.howstuffworks.com/gadgets/audio-music/optical-audio.htm

Optical audio offers a new way to send audio and video from your gear to your ear. Learn how optical audio works.

How to Conserve Energy at Home

home.howstuffworks.com/green-living/how-to-conserve-energy-at-home.htm

What is "energy"? Where does it come from? How do we pay for it? Learn the answers to these questions, and find out how to live more efficiently in your home.

How Vision Works

health.howstuffworks.com/mental-health/human-nature/perception/eye.htm

A fascinating article that describes how your eyes and vision works!

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