An old geokrono
Riccardo Cuppini
[...] Understanding Time and Causality is the Key to Understanding Quantum Mechanics[...]
-- Title of an article by William R. Wharton Physics Department, Wheaton College, Illinois
(Geokrono was a mechanic globe of early 20th century with a map on it. Charged with a key it permits to see by an equatorial clock indicator the local times of all world countries)
-Shot taken in Rome, Italy (July, 2007)
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