Is gamma waves longitudinal or transverse?

Light waves are Transverse Waves. More information: http://74.125.47.132/search?q=cache:fGrx-3gDmcIJ:www.bbc.co.uk/Scotland/education/bitesize/standard/other/sos/physics/waves/answerwaves_30.shtml+%22light+waves+are+transverse%22&hl=en&ct=clnk&cd=12&gl=us