Physics
A spherical ball made of steel when dropped in mercury container

Sink in mercury
Will be on the surface of mercury
Will be partly immersed mercury
Will dissolve in mercury

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Physics
Analog synthesis refers to a technology based on

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

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