
The two cones at left are young and old cones from the same pine tree (I forget the variety); same with the ones on the right, but from a blue atlas cedar.
August 30, 2015
April 21, 2010
Kusari toi (sometimes translitered “doi”)—the Japanese characters are 鎖樋 which translates literally as “chain gutters”—are known in English as rain chains. They are used in Japan as downspouts to direct rain from a gutter to the ground, where it either flows into a gravel or pebble bed or into some sort of catchment.
March 26, 2010
October 16, 2009
It’s pouring rain and cold in Washington so it doesn’t seem very solar. But it was fun to see all the solar, off-the-power-grid houses in the Solar Decathlon competition sponsored by the U.S.
February 9, 2009