And Gerald Schwartz constructed a machine to roll the rock! Obviously.... Doug On 17-Sep-07, at 8:10 AM, Gerald Schwartz wrote: > the machine Douglas Barbour 11655 - 72 Avenue NW Edmonton Ab T6G 0B9 (780) 436 3320 http://www.ualberta.ca/~dbarbour/ Latest book: Continuations (with Sheila E Murphy) http://www.uap.ualberta.ca/UAP.asp?LID=41&bookID=664 People say they have to express their emotions. I'm sick of that. Photography doesn't teach you to express your emotions; it teaches you how to see. Berenice Abbott