In 1885, a Swiss schoolteacher, Johann Jakob Balmer, worked out an extremely simple mathematical formula for describing some of the patterns of frequencies of the lines of the spectrum of hydrogen gas, which is the simplest atomic system (since it consists of one proton and one electron), and these lines are now known as the Balmer Series
It's used by cowboys in the American frontier era in old Western movies
Known for over 20 books inspired by his cat paintings, Martins art enjoys acclaim in the USA, Japan, and beyond
Housed in a glass bottle with reed diffuser sticks
Many people believe that just one cigarette a day is harmless
In spring and summer, deer tend to feed more heavily, because pregnant and nursing does and antler-growing bucks must fuel their seasonal life stages