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Lissajous were a staple visual effect in sci-fi films of the 1960s.
They are the parametric curves produced by harmonic oscillation in two dimensions, such as two sine waves fed into the x and y inputs of an oscilloscope.
Lissajous were a staple visual effect in sci-fi films of the 1960s.
They are the parametric curves produced by harmonic oscillation in two dimensions, such as two sine waves fed into the x and y inputs of an oscilloscope.