Here is a simple frequency doubler circuit that produces a square wave output with a precise 50 percent duty cycle. There are similar circuits in the literature [References 1, 2, 3] which require ...
The Hardy-Weinberg equation is a mathematical equation that can be used to calculate the genetic variation of a population at equilibrium. In 1908, G. H. Hardy and Wilhelm Weinberg independently ...
Explosives or narcotics concealed in luggage, mailboxes or on a person can’t hide from low frequency radio wave pulses which swiftly and safely detect the presence of the offending substance.