What Are Composite Materials?
Engineering / Materials
A composite material is one in which two or more separate materials have been combined to make a single construct having more desirable properties. What many people don't realize is that composites ar continue reading this fact
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Sundials, Ancient Clocks
Engineering / Simple Machines
The earliest and simplest form of sundial is the shadow stick. The time of day is judged by the length and position of the stick's shadow. Some nomadic peoples still use this method for timekeeping. T continue reading this fact
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Hydropower Basics
Engineering / Structures
Flowing water creates energy that can be captured and turned into electricity. This is called hydropower. Hydropower is currently the largest source of renewable power, generating nearly 10% of the el continue reading this fact
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