Physics
Pressure Cooker cooks faster because

It cooks the food at low pressure
Higher temperature is attained for cooking
Boiling point decreases with rise of pressure
The material of the cooker is a good conductor

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Physics
Analog synthesis refers to a technology based on

Interfacing synthesizer equipment.
Placing brief digital recordings of live sounds under the control of a synthesizer keyboard.
Representing physical quantities as numbers.
Representing data in terms of measurable physical quantities.

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