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Sign: Tel Aviv University - Entin Square tiles - Uncertainty principle (Heisenberg)

Chaim Levanon St 64, Tel Aviv-Yafo, Israel
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On the sign:
ΔΧΔΡ ≥ ħ

ורנר הייזנברג
עקרון אי הוודאות, 1927
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Entin Square is at the entrance gate to the Tel Aviv University campus in Ramat Aviv.

The square is studded with cobblestones with quotes, sayings, illustrations or formulas of the great scientists, thinkers and writers.

In the next photo taken that day you can see the square and the way the tiles are laid Click for a larger image

Details about the square can be found here Click for sign's details

In the current plaque appears an equation by the German physicist, Nobel Prize winner Werner Karl Heisenberg (1901-1976). Heisenberg is best known for the Uncertainty Principle that is named after him. A principle that is one of the foundations of quantum theory. According to this principle, it is not possible to simultaneously determine exact values for pairs of variables. On the plate appears a mathematical description of the principle when it refers to the relationship between the position and momentum of an object, and says that when the position of the object can be measured with greater accuracy, the accuracy of the momentum will be less.

Three months earlier, the tiles were photographed in the same square. During the photograph, it was discovered that a number of tiles had been removed and replaced by other tiles. The current tile replaced another tile

Translation of the text on the sign:
ΔΧΔΡ ≥ ħ

Werner Heisenberg
The Uncertainty Principle, 1927

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