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What are the similarities between heat and temperature?

Heat and temperature are measures of different things - but both are related to the internal energy of an object or system of objects..

Temperature (in kelvin) is a state function which monitors and is proportional to (but not equal to) the internal energy of some system. In effect, if one knows the properties of the system being described, the temperature is a measure of the system’s internal energy - a state function.

Heat, on the other hand, is a transfer of thermal energy from one object or system to another. Heat is one of the ways the internal energy of a system can be cha...

What are the similarities of art and craft?

While the concept of art has greatly changed over time, I feel like it is acceptable to say that a craftwork is an object defined by the technique used to create it, while an artwork is defined by its content.

To say that art exists only as decoration or “to be seen”, is ludicrous. It’s like saying that carrots exist to be eaten. Art does not need to be decorative, nor, under particular circumstances, to be actually exposed. In some cases, the “notion” of art alone is sufficient for an artwork to exist.

Take as a famous example Duchamp’s Fountain, which was neither decorative, n...