What man that sees the ever whirling wheel
Of Change, the which all mortal things doth sway,
But that thereby doth find, and plainly feel,
How Mutability in them doth play
Her cruel sports, to many men's decay?
-Edmund Spenser, The Faerie Queen
Change surrounds us.Â So powerful and pervasive a part of nature is it that the ancient Greek philosopher Heraclitus saw in it the unity of all...