Comment Re:None (Score 1) 704
It seems you misunderstand the 12 days of Christmas. They do not run from the 13th to the 25, but from Christmas day for 12 days until the day before the start of Epiphany on January 6th.
Quantum Mechanics is a lovely introduction to Hilbert Spaces! -- Overheard at last year's Archimedeans' Garden Party