Physics advent calendar

Each day a new door will open to reveal the advent word. Each letter in this word signifies a word or phrase related to physics. Click the open doors/pictures to find out more.

1December 1 2December 2 3December 3 4December 4 5December 5
6December 6 7December 7 8December 8 9December 9 10December 10
11December 11 12December 12 13December 13 14December 14 15December 15
16December 16 17December 17 18 19