John Duffy
@sciencepusher
Science Evangelist, Cav Scout, Veteran, IBDP Physics & Aerospace Engineering Instructor, Mediocre Pug Haiku Author and Ally. My views are my own and correct.
ID: 3242849916
12-06-2015 04:11:29
4,4K Tweet
525 Takipçi
495 Takip Edilen