Image 1: 
"Bacteria" by Umberto Salvagnin
https://www.flickr.com/photos/kaibara/2234750993/
Attribution 2.0 Generic (CC BY 2.0)
URL: http://www.shaunagm.net/images/2048/bacteria.jpg
Topic: Bacterial growth (http://textbookofbacteriology.net/growth_3.html)

Image 2: 
"Printed circuit board - side A" by Jean-Pierre
https://www.flickr.com/photos/cjp24/5854441733/
Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)
URL: http://www.shaunagm.net/images/2048/circuit.jpg
Topic: Moore's Law (http://en.wikipedia.org/wiki/Moore's_law)

Image 3: 
"Trinity Test - Alamogordo, NM - July 16, 1945. Mushroom cloud after 10 seconds." uploaded by Federal government of the United States
http://commons.wikimedia.org/wiki/File:Trinity_Test_Mushroom_Cloud_10s_2.jpg
Public Domain
URL: http://www.shaunagm.net/images/2048/nuclear.jpg
Topic: Nuclear fission reaction (http://en.wikipedia.org/wiki/Nuclear_fission)

Image 4: 
"Crowd" by James Cridland
https://www.flickr.com/photos/jamescridland/
Attribution 2.0 Generic (CC BY 2.0)
URL: http://www.shaunagm.net/images/2048/crowd.jpg
Topic: Human population growth (http://en.wikipedia.org/wiki/Population_growth)

Image 5: 
"Cheese-like head" by Quinn Dombrowski
https://www.flickr.com/photos/quinnanya/6130153210/
Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)
URL: http://www.shaunagm.net/images/2048/beer.jpg
Topic: Beer head decay (http://iopscience.iop.org/0031-9120/39/1/F11/pdf/0031-9120_39_1_F11.pdf)

Image 6: 
"3-D Lichtenberg Figure in Acrylic" by Bert Hickman
http://en.wikipedia.org/wiki/File:PlanePair2.jpg
URL: http://www.shaunagm.net/images/2048/lichtenberg.jpg
Topic: Dielectric breakdown (http://en.wikipedia.org/wiki/Dielectric_breakdown)

Image 7: 
"Beautiful Loudness" by Orin Zebest
https://www.flickr.com/photos/orinrobertjohn/2911248047/
Attribution 2.0 Generic (CC BY 2.0)
URL: http://www.shaunagm.net/images/2048/loudness.jpg
Topic: Sound perception (http://en.wikipedia.org/wiki/Loudness)

Image 8: 
"Polar Bear Swim 2006" by Richard Smith
https://www.flickr.com/photos/smith/81913932/
Attribution 2.0 Generic (CC BY 2.0)
URL: http://www.shaunagm.net/images/2048/heat.jpg
Topic: Heat loss (http://en.wikipedia.org/wiki/Heat_transfer#Heat_transfer_in_the_human_body)

Image 9: 
Untitled by Arizona State University
http://2011.igem.org/File:ASU_PCR_gel_629.jpg
No license given
URL: http://www.shaunagm.net/images/2048/pcrgel.jpg
Topic: Polymerase Chain Reaction (http://en.wikipedia.org/wiki/Polymerase_chain_reaction)

Image 10: 
"Internet Sign" by Keith Ramsey
https://www.flickr.com/photos/rmgimages/4659650269/
Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)
URL: http://www.shaunagm.net/images/2048/internet.jpg
Topic: Internet usage growth (http://www.21stcenturychallenges.org/60-seconds/the-exponential-growth-of-the-internet/)

Image 11: 
"Time Line of the Universe" by NASA/WMAP Science Team
http://en.wikipedia.org/wiki/File:CMB_Timeline300_no_WMAP.jpg
Public Domain
URL: http://www.shaunagm.net/images/2048/bigbang.jpg
Topic: Expansion of the universe after the big bang (http://en.wikipedia.org/wiki/Cosmic_inflation)