Some notes from discussion with Prof Moriarty 1. At 5:45, that Silicon cantilevers can be used to see atoms as long as the oscillation amplitude is high. See Sugimoto et al. Nature 446 64 (2007) 2. Terrible guitar playing chose by Brady against Phil's wishes - see our gold ratio song at http://youtu.be/nBgQPSUTWVM featuring Phil's work!