To the Best of Our Knowledge
Interview, A Madman Dreams of Turing Machines
listen to interview

To the Best of Our Knowledge
Interview, How the Universe Got Its Spots
listen to interview

Milt Rosenberg, WGN Radio 720 Chicago
Interview, A Madman Dreams of Turing Machines
October, 2006
listen to interview

All Things Considered
"Commentary: (Not) Infinite Universe"
November 12, 2003
listen from NPR archive

All Things Considered
"Longplayer"
November 24, 2002
listen from NPR archive

Talk of the Nation
"How the Universe Got Its Spots"
July 12, 2002
listen from NPR archive

read a Q&A