Sunday, October 10, 2010

Do you feel lucky?

In the year 2010, OCTOBER has 5 Fridays, 5 Saturdays and 5 Sundays. For this particular year, October 10 has the date of 10 10 10, which in binary happens to be 42.

For Remembrance day the year 2011, the eleventh of November has a date of 11 11 11. If you take into account when the armistice was signed, then the figure still is a palindrome. Although the more common palindromes are alphabetic (e.g., A Man, A Plan, A Canal, Panama), 11111111 is a numeric palindrome.

Written in Latin, the famous Sator Square is also a palindromic word square which also happens to be acrostic. To date I don't believe that this feat, of creating this type of square, has been replicated in English or any other modern language. A mnemonic (e.g., ROY G BIV) is a type of acrostic and it should not be confused with the Magic Square or the Latin Square. Apart from the fact that all three use grids there is no real connection between the three types of squares.

The Latin square should be familiar to those that play the popular game Sudoku.

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Philosophiæ Naturalis Principia Mathematica

Philosophiæ Naturalis Principia Mathematica