Why buses represent democracy in action A Talk by Enrique Peñalosa www.youtube.com An advanced city is not one where even the poor use cars, but rather one where even the rich use public transport. transportationclasscities
Economy of material and labor Whatever the comparative merits of [various bed framing methods], what is clear from Aristotle's Mechanica is that economy of material, and labor, was as much an issue in ancient times as it is now. Henry Petroski, The Evolution of Useful Things The requirements of economyThe art of not constructing simplicity