PT  - JOURNAL ARTICLE
AU  - O'Grady, Gerald
TI  - Woody Vasulka's Spherical Knowledge. From Pinhole Camera to Pinball Machine
DP  - 2006 Jun 1
TA  - Iluminace
PG  - 9--30
VI  - 18
IP  - 2
IS  - 0862397X
AB  - The study extends the detailed technical analysis of Woody Vasulka's work into a broader cultural context and is full of references to various fields of knowledge. The author believes that a general education, coupled with the ability to micro-analyze the physical or electronic engineering aspects of image and sound, is necessary to understand the work of Steina and Woody Vasulka.