Untitled by Sandstein licenced under CC-BY 3.0 unported licence at http://en.wikipedia.org/wiki/File:SAM_PC_1_-_Tally_sticks_1_-_Overview.jpg
Square kilometre array by UCL mathematics and physical science licenced under CC-BY 2.0 generic licence at https://www.flickr.com/photos/uclmaps/13221058125/
Indian blanket sunflower by Audrey licenced under CC-BY 2.0 licence at https://www.flickr.com/photos/audreyjm529/206614588/
First use of an equals sign ever licenced under Public domain licence on http://en.wikipedia.org/wiki/File:First_Equation_Ever.png
Untitled by NASA licenced under Public Domain licence at http://en.wikipedia.org/wiki/File:GPS_Satellite_NASA_art-iif.jpg
AJ LBW by Barry Gill licenced under CC-BY 2.0 generic unported licence at https://www.flickr.com/photos/42482371@N00/7529096134/in/photolist-6Gue7W-ctjzYj-bFL19k-xS21X-6SLCuz-6SLD4x-6SQFgC-6SLHRp-6945Yu
P. Oxy. I 29 by anonymous licenced under Public Domain licence at http://en.wikipedia.org/wiki/File:P._Oxy._I_29.jpg
Screenshot from http://phet.colorado.edu/sims/projectile-motion/projectile-motion_en.html licenced under Public Domain
JSE by Alastair Hay licenced under CC-BY licence
Screenshot of Siyavula page stats by Heather Williams licenced under Public Domain licence
Clinometerlow by Kamal Child licenced under Public Domain at http://en.wikipedia.org/wiki/File:Clinometerlow.jpg
LapanganTenis Pusdiklat by Ahmed Fauzi licenced under Public Domain licence at http://en.wikipedia.org/wiki/File:LapanganTenis_Pusdiklat.jpg
Tracking a Superstorm by NASA Goddard Space Flight Centre licenced under CC-BY 2.0 generic licence at https://www.flickr.com/photos/gsfc/8971451260
Final score by apasciuto licenced under CC-BY 2.0 generic licence at https://www.flickr.com/photos/apasciuto/5996076302/in/photolist-8nVmhf-8nTuoh-a8RszU-9xwnFE-9xwc4W-6sD2WZ-6NbUAG
