A+E Networks. On this day in 1969, Americaâs first automatic teller machine (ATM) makes its public debut, dispensing cash to customers at Chemical Bank in Rockville Center, New York.
This modification of the energy levels of a hydrogen atom due to a combination of relativity and spin-orbit coupling is known as fine structure.
Hydrogen is the only combustible element, other elements, need an interaction with something else other than its self to be combustible. Therefore Hydrogen is the only fuâ¦el. Fuel such as gasoline have bonds to Hydrogen that bulk it up, slow it down, and generally make Hydrogen dense.