Most roads are paved with asphalt. Unfortunately, there are a lot of problems with asphalt. Bricks, cobblestones, and pavers are often much better options, because: 1. Asphalt degrades fast, so once you account for maintenance, it's more expensive it first appearsAsphalt ages and falls apart quickly. It needs to be replaced after 10-15 years and starts looking pretty crummy well before then. It forms potholes and cracks quickly, especially in...

I originally published this in May of last year in Idea Collector, one of my old blogs. Epistemic status: This is a quick write up of my personal experience wandering Osaka, Kyoto, and Tokyo last May. I'd be curious to learn how it compares to objective measures, models, others' experience, and so on! Epistemic effort: I noted my impressions in bullet-point form while wandering around the cities, then when I returned from the trip I spent ~1h ...