Philip Greenspun illustration project/Round 1/Request list/14

Philip Greenspun illustration project
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Round 1
Request list

• JIRA: https://jira.toolserver.org/browse/PGIP-40
• US$40

(en) Abney effect

• http://en.wikipedia.org/wiki/Abney_effect
• Example: ? none found yet
• tags: color, physics