Probably our atomic weights merely represent a mean value around which the actual atomic weights of the atoms vary within certain narrow limits... wh….

The rare earth elements perplex us in our researches, baffle us in our speculations, and haunt us in our very dreams. They stretch like an unknown se….

If you had come to me a hundred years ago, do you think I should have dreamed of the telephone? Why, even now I cannot understand it! I use it every ….

Chemists do not usually stutter. It would be very awkward if they did, seeing that they have at times to get out such words as methylethylamylophenyl….

Most students of nature sooner or later pass through a process of writing off a large percentage of their supposed capital of knowledge as a merely i….

...Nature-the word that stands for the baffling mysteries of the Universe. Steadily, unflinchingly, we strive to pierce the inmost heart of Nature, f….

It can scarcely be denied that the fundamental phenomena which first led mankind into chemical inquiries are those of combustion..

To stop short in any research that bids fair to widen the gates of knowledge, to recoil from fear of difficulty or adverse criticism, is to bring rep….

The phenomena in these exhausted tubes reveal to physical science a new world-a world where matter may exist in a fourth state, where the corpuscular….

England and all civilised nations stand in deadly peril of not having enough to eat. As mouths multiply, food resources dwindle. Land is a limited qu….

Which was first, Matter or Force? If we think on this question, we shall find that we are unable to conceive of matter without force, or force withou….

Our alleged facts might be true in all kinds of ways without contradicting any truth already known. I will dwell now on only one possible line of exp….

Probably if half a kilogram [of radium] were in a bottle on that table it would kill us all. It would almost certainly destroy our sight and burn our….