Two Degrees of Freedom (O'ReillyNet)
The second morning keynote at the O'Reilly Open Source Convention in Portland, Oregon began with a clip from Star Trek: The Next Generation. George Dyson had brought the segment to introduce his father Freeman Dyson. The audience watched both the screen and the reaction of the elder Dyson to the Star Trek plot, which centered on the discovery of a Dyson Sphere..."
O'ReillyNet also has the inevitable OSCON
photos available.