A Plea for Lean Software An Essay by Niklaus Wirth cr.yp.to Software's girth has surpassed its functionality, largely because hardware advances make this possible. The way to streamline software lies in disciplined methodologies and a return to the essentials. Measured by the number of its featuresEssential vs. nice to haveDependence is more profitable than educationThe most rewarding iterationsNever enough time A grossly obese set of requirementsFeatures and complexity softwareperformancefunction
The scale of resolution determines what is seen The patterns of Truchet's tiles appear at first glance as variously shaped interlocked regions of black and white, the boundaries between the square tiles being submerged whenever the two regions flanking them have the same color, just as in a real floor the air or cement between the tile edges is not perceived—until one looks closely. The scale of resolution determines what is seen. Cyril Stanley Smith, The Tiling Patterns of Sebastien Truchet and the Topology of Structural Hierarchy Levels of Scale patternsscale