How to Enter the Fairy Land of Science

How are you to enter the fairy-land of science? There is but one way. Like the knight or peasant in the fairy tales, you must open you eyes. There is no lack of objects, everything around you will tell some history if touched with the fairy wand of imagination. I have often thought, when seeing some sickly child drawn along the street, lying on its back while other children romp and play, how much happiness might be given to sick children at home or in hospitals, if only they were told the s...