May 1, 2014
“Everyone works with procedures in everyday life. Playing a game or giving directions to a lost motorist are exercises in procedural thinking.... Read More
March 22, 2012
“In Mindstorms (Papert, 1980), I asked (choosing one out of a vast number of possible examples) why the quadratic equation of the... Read More
February 22, 2012
“The essential point about the turtle is its role as as a transitional object. That is transitional between the body, the self... Read More