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
207. Good Materials Problem There is a fundamental conflict in the nature of materials for building in industrial society. Solution Use only biodegradable, low-energy-consuming materials, which are easy to cut and modify on site. For bulk materials we suggest ultra-lightweight 40–60 lbs. concrete and earth-based materials like tamped earth, brick, and tile. For secondary materials, use wood planks, gypsum, plywood, cloth, chickenwire, paper, cardboard, particle board, corrugated iron, lime plasters, bamboo, rope, and tile. Christopher Alexander, Murray Silverstein & Sara Ishikawa, A Pattern Language Zeniba's house material