Rupert Sheldrake 02:14 Ralph Abraham: Takes issue with McKenna’s and Sheldrake’s interpretation of chaotic attractors. . . . To a mathematician, the word ‘attractor’ does not necessarily imply attraction. 07:23 Rupert Sheldrake: “But Newtonian physics and the triumph of the mechanistic […

Rupert Sheldrake 01:23 Ralph Abraham: A short primer on chaos theory. . . . The emergence of form from a field of chaos. 08:57 Rupert Sheldrake: “The problem I have with chaos theory . . . ” The issue of indeterminacy […]

Sagan's lecture at Yale Peace Week on nuclear war and nuclear winter, including the TTAPS findings and proposed nuclear-arsenal reduction milestones.