(and other

helpful

advice for

developers)

Marvin

• https://flic.kr/p/4FATkh

• Adam Foster

• CC BY-NC-ND 2.0

Earth

• https://flic.kr/p/7Gc6C3

• NASA Goddard Space Flight Center

• CC BY 2.0

Difference Engine

• https://commons.wikimedia.org/wiki/File:LondonS

cienceMuseumsReplicaDifferenceEngine.jpg

• Carsten Ullrich

• CC-BY-SA-2.5

Blueprint

• https://flic.kr/p/pE2ray

• Dunedin City Council Archives

• CC BY-NC 2.0

Science

• https://flic.kr/p/68vp6f

• erin m

• CC BY-NC 2.0

Beetles

• https://flic.kr/p/nxYDH3

• Elliot Black

• CC BY-NC 2.0

Andromeda Galaxy

• NASA

Dolphins

• https://flic.kr/p/5kSYhr

• Jay Ebberly

• CC BY 2.0

Flickr lines

• https://flic.kr/p/x9BN

• Sharla Sava

• CC BY-NC-SA 2.0

Image Credits

All images licensed

under Creative

Commons licences or

are in the public

domain