Browse Reference Articles
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Three-phase electric power
Three-phase is a common method of electric power transmission. It is a type of polyphase system used to power motors and many other devices. Three phase has properties that make it very desirable in ... > more -
Levee failures in Greater New Orleans, 2005
In 2005, as a result of Hurricane Katrina, there were extensive failures of the levees and flood walls protecting New Orleans, Louisiana and surrounding communities. There were also extensive ... > more -
Geologic fault
Geologic faults or simply faults are planar rock fractures which show evidence of relative movement. Large faults within the Earth's crust are the result of shear motion and active fault zones are ... > more -
Industrial robot
An industrial robot is an automatically controlled, reprogrammable, multipurpose manipulator programmable in three or more axes. The field of industrial robotics may be more practically defined as ... > more
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