Tuesday, April 19 2005
When I wasn't continuing with the little concrete details of my drainage system or the surprisingly slow process of filling the ditch back in with crushed stone, I could be found in my laboratory replacing a motherboard in a client's computer. The old, bad motherboard had a unique defect I'd never encountered before. When it was lying flat it worked for hours without difficulties, but if it was arranged vertically it would fail within five minutes. Usually this was accompanied by the appearance of random visual artifacts all over the screen. I suppose this could have been caused by a subtle crack inside the motherboard, one that would cause a thin printed circuit trace to fail on one of the many layers of printed circuitry that modern motherboards contain.
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