Let us begin with the wonder of light. The very first words of creation were: “Let there be light.” Light is the source of energy of all forms of life, both directly and indirectly. Without light there could be no life on the earth. Light consists of a whole spectrum of different rays of which we can see only a few.
The rays of light that are visible to us are responsible for all the beautiful colours that provide splendour to the whole of creation. More and more people are discovering the importance of the invisible light rays. Even specimens behind glass often undergo damaging effects because certain rays do not pass through normal glass.
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