Time: 15 minutes
Prompt: The rain pounded on the window
Source: Kate Gentry (I asked my wife for a random phrase or sentence. We live in Seattle.)
The rain pounded on the window. The window waited several seconds, as though deciding how to respond. When the window did respond, a slight change in its color and texture would have been observable, had there been an observer present. The tympanic effect of the beating rain went silent and the water ceased to cascade down the surface of the glass. Instead it was absorbed through microscopic pores that opened on the glass's surface. Roughly three-quarters of the window's total area had, instantaneously, opened. The pores did not pass through to the inner aspect of the glass, however. They opened into channels that converged throughout the vitrine matrix into larger channels. These channels were of an optimal diameter to induce capillary wicking of the liquid through them and outward to the periphery of the window. The outward motion of the liquid through the channels was encouraged by the rotation of the window. It was a round window, set in a track of roller bearings, several of which were motorized. The rain, upon reaching the periphery of the window, was collected in a trough and from there channeled into a larger collection system that fed the potable water purification facilities in the bowels of the floating city. Hundreds of similar windows dotted the acres of roofs and upper walls of the city and within seconds of the onset of the deluge, they had all acted in exactly the same manner as this one. It was common enough to get rain, but this rain was different from most. It was cleaner. The purification facilities could render nearly any water potable -- even seawater, if necessary -- but the greater the disparity between the water recovered and the water desired, the greater the price to be exacted in the form of energy expended.
(about my timed writing exercises)
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