- Circuit board in Softlife page background (before modification): handmadepictures Copyright 123RF.com
- Earth in “Reality is best seen from elsewhere”: www.nasa.gov
- High road in “Taking the high road”: Photo by Quang Nguyen Vinh from Pexels (pexels.com) under the CC0 license
- Computer in Short Stories page (before modification): Pexels from Pixabay
- All other images: James R. Hardin