It is very important for the energy that the ghee be covered at all times when not in use. The best bowl for rice offering is copper.
Three years ago, the Centre of Light was just an idea, a vision that was blessed. Now the 3-story building is taking shape with straw/clay walls, multiple rooms, a central hall and spectacular views of the Tatra Mountains.
Copper is a conductor. Just at morning Agnihotra, all the electricities, energies, ethers are attracted to the pyramid in its shape. At sunset, these energies are thrust out in the same shape. This will be important to scientists later on.