What is Engineering?

The weather is hot. Every creature longs for cold water. Lions, Elephants or the birds will travel or fly to locations where they can find.
Primitive people know that porous pots that partially leak water will give them some colder water than the environ.
A physicist can explain that this colder water is obtained by the latent heat of evaporation released from the water.
An engineer can capitalize on that idea and recycle the latent heat of evaporation using a compressor to get a freezer level temperature.
That freezer just described is technology or, more accurately, a technological product. The clay pot is also technology. The difference between the primitive technology and advanced technology as we see here is the mediation of science and the scientific method. When we use the scientific method to create a technological product, we are doing engineering.

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