Many of us are familiar with the “Butterfly Effect,” the phenomenon described as the beating of the wings of a butterfly on one side of the world causing a huge storm on the other side of the world. We may be seeing the high tech version of that; it’s snowing a lot in central and eastern China, and that’s where a great deal of the world’s printed circuit boards are manufactured. Will snow in China cause a shortage of ones and zeros halfway around the globe?Some makers have only 30-40% of their capacities running,