A phase vector or phasor in physics and engineering signifies a sine wave whose amplitude and frequency are time-variant. The behavior of a sinusoid is decomposed by phasors into three independent ...

At OMA in the 1980s, Rem Koolhaas and his early colleagues, such as Elia Zenghelis, incorporated the diagram into the wealth of drawing types used by architects to create work. Added to the repertoire ...