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I should point out, however, that at first some difficulty was experienced in observing the phenomena predicted by the theory, owing to the extreme smallness of the variations in the period of oscillation.

Over the years, a number of other intriguing experimental ideas and areas of investigation have been the objects of my attention, and I have devoted some time and effort to exploring the inherent possbilities.

As a number of people have stressed over the years, I think it would be premature to assume science itself will explain everything.

To be honest with you, my physical state is usually dictated by the project I'm working on at a given time.

It is necessary to look at the results of observation objectively, because you, the experimenter, might like one result better than another.

Sudden resolutions, like the sudden rise of mercury in a barometer, indicate little else than the variability of the weather.

With this in mind, for some twenty years I have set myself as my particular task the experimental investigation of the connexion between change in the structure and change in the spectra of chemical atoms.

Nevertheless, as is a frequent occurrence in science, a general hypothesis was constructed from a few specific instances of a phenomenon.

The investigations which have seemingly been the most purely abstract have often formed the foundation of the most important changes or improvements in the conditions of human life.