PSW 2495 Lessons from the Universe's Baby Picture | David Spergel
2:21:03
PSW 2492 The Emerging Directed Energy Weapons | Tom Karr & Jim Trebes
1:42:59
PSW 2496 Unlost-Recovering the Text of Burnt and Carbonized Scrolls | Brent Seales
1:38:28
PSW #2498 Returning Humans to the Moon | Mike Griffin
2:02:30
Scale | MoMA R&D Salon 46 | MoMA LIVE
2:04:49
PSW 2491 The Survival of Civilizations After 1177 BCE | Eric Cline
1:42:21
IFLS Live at AMNH
1:27:01
PSW 2506 The Science Driving Particle Physics and Big Accelerators | JoAnne Hewett
2:07:19