peek at solution solve puzzle
quality: difficulty: solvability: line & color logic only
Puzzle Description:
Lambda is related to the half life of radioactive elements in two ways: it is nuclear physic's decay constant, and it is the logo of the video game Half Life.
#1: Kurt Kowalczyk (bahabro) on Feb 16, 2019
fun one, Joe! everything fell right into place as it went :)#2: Teresa K (fasstar) on Feb 23, 2019
Great puzzle, Joe. I like the shading, even though it meant a tough solve (for me anyway).
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