1. Introduction

  2. Brief summary of some basic ideas of TGD

    1. Recent view of classical TGD

    2. The failure of the minimal surface property at singularities

    3. How to handle the interfaces between Minkowskian and Euclidean regions of space-time?

    4. About the QFT limit of TGD

  3. About the identification of gravitons in the TGD Universe

    1. Graviton as a fermion antifermion pair?

    2. About the physical interpretation of the trace of the second fundamental form

    3. Exotic differential structures in 4 dimensions, particle vertices, and the new view of gravitons

    4. How could modified Dirac action determine the scattering amplitudes?

    5. More about the singularities

    6. About symmetry between gravitational and gauge interactions

  4. Could  TGD allow  the detection of gravitons?

    1. Is  the detection of gravitons possible in FQHE type systems?

    2. What about dark protons at the  monopole flux tubes and half-monopole flux tubes?