Energy and Utilities

How Does a Hydrogen Fuel Cell Work
A fuel cell converts the chemicals in hydrogen and oxygen into water and in the process it produces electricity. It is...
How Is Coal Used
Coal is a nonrenewable energy source. It is used to create half the electricity used in the United States. It is also used...
How to Build a Mini Solar Car?
To build a mini solar car, you will need to decide whether of build it from a kit, or from a plan. Next, gather the materials...
How do water turbines work?
Water turbines work similar to fossil fuel power plants in that they utilize a turbine that rotates a metal shaft in an...
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