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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.