The Joy of Mirror Making Mel Bartels Introduction A telescope mirror is the most accurate tool made by man or machine. Its precision is on the order of one part in twenty million. Making a telescope mirror is one of the great joys for human beings, the intelligent tool maker. Our experience begins with the varied sensations through the hands during grinding and carried through to the cerebral challenge of figuring the mirror to perfectly reflect light. Our experience both ends and begins using the mirror in a telescope to contemplate the mysteries of the universe and the meaning of life. (via Joy of Mirror Making: Introduction)
