24 Dec /13

Christmas Eve

Christmas Eve as a religious celebration Christmas became official as early as 325 AD when the first Christian Roman Emperor introduced it into the calendar of holidays.Continue reading Christmas Eve

20 Dec /13

Litmus

The litmus test was first mentioned in English by Richard Arnold who travelled to and traded with Flanders.Continue reading Litmus

19 Dec /13

Piano

An inventory of the Medici family in 1700 records a large arpicembalo made by Bartolomeo Cristofori.Continue reading Piano