FYI -- Excellent series of 5 ~1.5 hour lectures. Each video download is approx. 1/2 Gbyte, but is easier to watch than a streamed video. Renowned theoretical physicist Nima Arkani-Hamed delivered his series of five Messenger lectures on "The Future of Fundamental Physics" http://www.cornell.edu/video/?videoID=909 also 910, 911, 912, 913 Setting the stage: Space-time and Quantum Mechanics http://cornellcast.video.cornell.edu/20111113/537/1_x25nk3p1_1_8mpcai5m_1.mp... Our "Standard Models" of particle physics and cosmology http://cornellcast.video.cornell.edu/20111113/537/1_sgtvehim_1_gs3gu6no_1.mp... Space-time is doomed. What replaces it? http://cornellcast.video.cornell.edu/20111113/537/1_897878mx_1_0myioeh7_1.mp... Why is there a macroscopic universe? http://cornellcast.video.cornell.edu/20111113/537/1_fi8ae6e6_1_h9sclypq_1.mp... A new golden age of experiments: What might we know by 2020? http://cornellcast.video.cornell.edu/20111113/537/1_kr22a1ci_1_kjwctvfw_1.mp...