Plastics pervade every aspect of the human life, being present in packaging and household goods, agricultural, food and medical products. Their resistance to (bio)degradation has resulted in the ...

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 ...

AM radio transmission technologies have changed greatly over the years. Transistors have replaced vacuum tubes; Heliax cable has replaced open transmission line. Relay control ladders have been ...