The physical form of Vigraha binds some special features – those of God Himself so that it gives many benefits to the people who come to worship it. Rules and regulations do exist on the choice of the place for the temple, the type of building, the material used for making the Vigraha, the concept of the deity and the form of the deity, whether It is single, married or a celibate. This is how a temple with a deity has come into existence.
First it is explained how there is a proportionate configuration to the sanctum sanctorum and the idol it houses – the sanctorum is structured in such a way that the idol in it reflects any sound wave to the maximum effect.
A tuning fork is vibrated in the hall with little sound reproduction, but when it is struck and placed before the entrance of a small model sanctorum, a loud hum is heard. The forks invariably produce a sound resembling the chant "OM".
The lecturer explained that among the various chants, "OM" had the largest resonant effect and displaced a sizeable amount of atmosphere inside the sanctum. This is possible only when the sanctum and the idol are made of granite.
Next it is explained how the presence of negative ions increases in moist condition rather in dry condition using a condenser to infer why the sanctum sanctorum is always kept moist by pouring water over the idol and washing it with water continuously. Similarly the conduction of the stone idol also increases when it is moist – this is demonstrated by comparing the conductivity of dry granite and that of a wet idol.
A resistance reading on the ohmmeter of the idol after these elements have been poured shows the increased conductivity of the idol. The chanting of the mantras and the more frequent "OM" sets the air column inside vibrating and the highly sensitized idol conducts the ions of the abhisheka substance to the moist atmosphere.
The lighting of camphor during the deeparadhna displaces the air, which is partially charged with ions, and the devotees inside the sanctum inhale these ions. These negative ions have the physiological function of fixing oxygen with hemoglobin in the blood, the lecturer explained. They are concentrated on beach shores and mountaintops in the early morning, which explains doctor’s advice to heart patients for early morning beach walks.
But with temples becoming overcrowded, it would not be a wonder if these negative ions are submerged by the excessive carbon dioxide exhaled in the packed sanctum which is meant to house only ten people at a time. Similarly the chanting of "OM" has also been reduced to a mere inaudible mumble, affecting its highly resonant quality."”