Physics
During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to

Touch the nearest electric pole
Remain in the car
Abandon the car and take shelter under a nearby tree
Get out of the car and lie flat in the ground

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Physics
Analog synthesis refers to a technology based on

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

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