Field Notes on Science and Nature A Book by Michael R. Canfield www.hup.harvard.edu An endless living worldWhy Sketch?Letters to the FutureOne and a Half Cheers for List-KeepingLinking Researchers Across Generations+8 More The Student, The Fish, and Agassiz
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