Attributions
I use my own photography on this site. However I use others’ works when pressed for time.
Creative Commons License
The following are used under authority of a Creative Commons license. Click on the image to visit the author’s site.
Entering Hyperspace by Éole
Clock image by Darren Hester.
Thieves by Dunechaser
No Boundaries by premasagar
Greece, Delphi by Gert-Jan Hanekamp
Hello World by Mark Emery
Apple Mac Pro 12-Core by larsomat
Public Domain Images
Wikipedia says this images is in the public domain, but who trusts Wikipedia.