Image Credit & Copyright: Jean-Marc Mari
Explanation: What time is it? If the time and day are right, this sundial will tell you:
SOLSTICE. Only then will the Sun be located just right for sunlight to
stream throughopenings and spell out the term for the longest and shortest days of the year. And that happened
last week and twice
each year. The
sundial was constructed by Jean Salins in 1980 and is situated at the
Ecole Supérieure des Mines de Paris in
Valbonne Sophia Antipolis of south-eastern
France. On two other days of the year,
watchers of
this sundialmight get to see it produce another word:
EQUINOXE.
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