29:30 Fun Links

• The Periodic Table
• Fermi National Accelerator Laboratory , see especially the ``Clickable Tour.''
• The Particle Data Group is responsible for the Particle Physics Booklet. See especially the section `` List of our products''.
• Comet Hale-Bopp. See also the 29:50 Modern Astronomy home page for links.
• The Neutrino Oscillation Industry has a ``home'' page, which includes a section on Solar Neutrinos.