the highway series October 25, 2011May 18, 2012

being and becoming July 29, 2011June 25, 2012

falling up July 7, 2011

time space and i December 27, 2010March 16, 2012

mytimemachineisyourtimemachine September 16, 2010November 23, 2010

models of the solar system August 31, 2010August 31, 2010

wabi-sabi July 23, 2010July 23, 2010

through the years March 27, 2010March 28, 2010

and the odds are… November 15, 2009January 26, 2010

blue August 29, 2009