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How Boolean Logic Works

computer.howstuffworks.com/boolean.htm

Boolean logic lies at the heart of the digital revolution. Find out all about Boolean gates and how by combining them you can create any digital component!

How the Cabinet Works

people.howstuffworks.com/cabinet.htm

What is the Cabinet, and how do its members assist the president? Learn about the people involved in the U.S. government's Cabinet.

How Stem Cells Work

science.howstuffworks.com/life/cellular-microscopic/stem-cell.htm

Stem cells can develop into every cell, tissue and organ in the body. Learn about stem cell research challenges and controversy and how stem cells can be used to treat disease.

How Armored Cars Work

auto.howstuffworks.com/armored-car.htm

Most armored vehicles get their extra protection from specialists instead of at the factory. Read about armored cars and how they're designed.

How Bird Flu Works

science.howstuffworks.com/life/cellular-microscopic/bird-flu.htm

Bird flu is an infectious disease that has swept through the Asian bird population. Learn how bird flu spreads and the risks posed by antigenic drift and shift.

How Investment Diversification Works

money.howstuffworks.com/personal-finance/financial-planning/diversification.htm

Investment diversification helps protect your assets in the long-term. Read about diversification and how to use it when allocating your investments.

How Crash Testing Works

auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/crash-test.htm

Automotive crash testing has saved thousands of lives by making cars safer. Learn about the tests, the ratings and how the dummies tell engineers what happens in an accident.

How Thermal Imaging Works

electronics.howstuffworks.com/thermal-imaging.htm

Thermal cameras take photos of heat, rather than visible light. Find out how temperature is captured as an image.

How Lie Detectors Work

people.howstuffworks.com/lie-detector.htm

Lie detection is a consistently controversial topic -- how can a machine tell truth from deception? Does everyone have the same physiological reaction when telling a lie? If so, how can some people "beat the box"? Find out what these devices measure and if they really can detect lies.

How Wave Energy Works

science.howstuffworks.com/environmental/earth/oceanography/wave-energy.htm

Wave energy could be used to create electricity, replacing the burning of fossil fuels. Find out more about wave energy and how it can be harnessed.

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