MEET madcap Amanda Griffiths of Chorlton, the PhD student who is studying for a doctorate - in air guitar. Amanda is researching the phenomena of playing along to famous electric guitar solos with nothing more in your hands than a fistful of fresh air as part of her doctorate at the University of Salford. And the 32-year-old is even a special guest at the Air Guitar World Championships held in Oulu, where she will give a lecture on the subject. Her love of the invisible instrument first became serious in 2002 when she came fourth in the UK championships. Her...