In part 4 of my ongoing series about miscellaneous facts I explore the meaning and origins of the two-dimensional palindrome known as the Sator Square, the namesake of Joseph Haydn's Miracle, the misuse of defibrillators in popular media, and the dangers of dihydrogen monoxide.
I seem to have swapped the final two translations in this graphic. "ROTAS" should be underneath "THE WHEELS" while "OPERA" should be underneath "WITH CARE".