The Usefulness of Useless Knowledge An Essay by Abraham Flexner press.princeton.edu A curious factRoaming and capriciousUseFreedomThe Institute for Advanced Study+2 More The research agendaThe technology shelf knowledgelearningdiscoveryprogressexperiments
Ri — The Distance Walked in an Hour An Article by Craig Mod craigmod.com A ri is a unit of measure, it’s about how far a person can walk in an hour at a reasonable pace. It clocks out at roughly 3.93 kilometers. Remnants of the ri system are scattered along the old roads of Japan. During the Edo period, ri were marked recurrently by hulking earthen mounds that flanked the road — ichi-ri zuka, “one-ri mounds.” There are only a handful of “originals” left. When you pass one with an old cypress or oak growing from its center it becomes a tiny moment of celebration. walkingscale