“I’m not a environmentalist because I never use electronic bills for my bank account — ‘paperless’ just sounds too frustrating for a PhD!”
G. Q. Xu and M. J. Demkowicz, “Healing of Nanocracks by Disclinations” Physical Review Letters 111, 145501 (2013) http://prl.aps.org/abstract/PRL/v111/i14/e145501