For you science and engineering geeks, it sounds like Ohm - the measure of electrical resistance – but it’s much more than that.
Every “thing” manifest is vibration. This concurs with modern science which says that every atOM and molecule is formed out of energy vibration. Einstein’s equation, E=mc2, states that matter (m) is an expression of energy (E). OM as the sound symbolizes that all material objects, all phenomenon, and all thought patterns are states of energy vibra