Краткое содержание

• The rosetta pattern draws upon three challenging milk pitcher manoeuvres: shaking, fishtailing, and cutting.

• The frequency and amplitude measurements used in the analysis of sound waves give us a metric to assess the optimum wave shape for producing clearly delineated petals in rosettas.

• The rosetta incorporates both the shaking technique and the fishtailing technique, but it is best to try to encode them in your muscle memory separately.

• The difficulty in perfecting this pattern comes from the need to maintain your flow rate while you utilize a smooth, oscillating ‘shaking’ technique.

• To master the rosetta, learn the individual manoeuvres in separate, simple patterns. For example, try producing squiggles, wave hearts, or the incomplete wings of swans as you attempt to encode the fishtailing technique.

Глоссарий

Pendulum (motion)  The swinging motion in a circular arc from a fixed radial position

Lateral motion  Sideways movement

Oscillate  To swing back and forth across a central point

Wavelength  The distance between one crest of a wave and the next

Frequency  The measure of how many wave crests pass a fixed point — usually measured in waves/second

Amplitude  The measure of a wave’s peak or valley, as compared with a point of equilibrium

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