Newton advanced, with one gigantic stride, from the regions of twilight into the noon day of science. A Boyle and a Hooke, who would otherwise have b….

Proposition VIII. When two Undulations, from different Origins, coincide either perfectly or very nearly in Direction, their joint effect is a Combin….

Proposition IX. Radiant light consists in Undulations of the Luminiferous Ether..

But it will be found... that one universal law prevails in all these phenomena. Where two portions of the same light arrive in the eye by different r….

When I was a boy, I thought myself a man. Now that I am a man, I find myself a boy..

If we seek for the simplest arrangement, which would enable it [the eye] to receive and discriminate the impressions of the different parts of the sp….

Vision motivates, sustains and dispels doubt..

It must be observed that fishing with any living bait is to be condemned for the same reason as fishing with a worm: in all such instances we torture….

Suppose a number of equal waves of water to move upon the surface of a stagnant lake, with a certain constant velocity, and to enter a narrow channel….

The nature of light is a subject of no material importance to the concerns of life or to the practice of the arts, but it is in many other respects e….

The experiments I am about to relate ... may be repeated with great ease, whenever the sun shines, and without any other apparatus than is at hand to….

You may evade justice but in our eyes you are each guilty of egregious war crimes, of plunder and, finally, of murder, including the murder of thousa….

Bacon first taught the world the true method of the study of nature, and rescued science from that barbarism in which the followers of Aristotle, by ….