What are they really? No, they are not God’s / priests’ flash cards when they forget the *shlokas* (hymns). The copper plate absorbs earth’s magnetic waves and radiates it to the surroundings. Thus a person regularly visiting a temple and walking clockwise around the Main Idol receives the beamed magnetic waves and his body absorbs it. This is a very slow process and a regular visit will let him absorb more of this positive energy. Scientifically, it is the positive energy that we all require to have a healthy life.
*Theertham*, the “holy” water used during the pooja to wash the idol is not
plain water cleaning the dust off an idol. It is a concoction of Cardamom,*Karpura* (Benzoin), zaffron / saffron, *Tulsi* (Holy Basil), Clove, etc…Washing the idol is to charge the water with the magnetic radiations thus increasing its medicinal values. Three spoons of this holy water is distributed to devotees. Again, this water is mainly a source of magneto-therapy. Besides, the clove essence protects one from tooth decay, the saffron & *Tulsi* leafs protects one from common cold and cough, cardamom and *Pachha Karpuram* (benzoin), act as mouth fresheners. It is proved that *Theertham* is a very good blood purifier, as it is highly energized. Hence it is given as *prasadam* to the devotees.
The sounds of the euphony, the rhythm of Vedic mantras when pronounced and heard are believed to cure so many disorders of the body like blood pressure. Just to name a few.
Hindu Gods are just symbolisms and not like they sit somewhere in the obscure corner of the universe trying to control things and sending a prophet who misleads us. Hinduism is not a religion. It is just a scientific and moral way of life.