Now showing items 21-30 of 113
Is Newton’s Theory of Gravity All Wrong
First Paragraph: | In these days of unrest, when the alignment of nations, no less than their own internal machinery, is so seriously threatened with disarrangement that the established order of thousands of years runs ...
Mathematics and Its Power to Train the Mind
First Paragraph: | The very important place that mathematics occupies in education is sufficiently evinced by the fact that it has always been judged to be an essential branch in the curriculum of every school of learning ...
Dates of Easter for Two Thousand Years
First Paragraph: | Whenever we take up the calendar of a new year our first inquiry is concerning the date of Easter, since its position regulates the dates of all the movable feasts of the year. This is as it ought to be.
Cuspidal Envelope Rosettes
First Paragraph: | A point P moves in the line segment EG, Fig. 1, with simple harmonic motion of p cycles, while this segment makes q revolutions about A with uniform angular speed. Moritz has exhaustively treated the ...
Realm of Science October 20th 1913
First Paragraph: | Three very important scientific meetings have lately been held in Europe. The first was that of the International Union for Solar Research which was convened in Bonn, Germany, from July 30th to August ...
Realm of Science April 20th 1916
First Paragraph: | The reform of our present calendar is a subject on which probably more printers’ ink has been wasted during recent years than on any other. Each scheme proposed—and there are at least seventy-two of them, ...
Realm of Science December 20th 1917
First Paragraph: | A short time ago a little boy about ten years old asked me this question, “What makes the stars shine!” I dare say that most of us would feel somewhat puzzled in an attempt to give a simple and satisfactory ...
Realm of Science November 20th 1914
First Paragraph: | The latest volume of the Annals of the Zo-se Observatory in Zi-ka-wei, near Shanghai in China, was received recently and is more than usually interesting. It is for the year 1911, and consists of four ...
Why is the Moon?
First Paragraph | Perhaps the title of this article sounds odd to the reader on account of its similarity to an old conundrum. No pleasantry of the sort is, however, intended, my object is simply to show to some extent why ...
The Demon Star
First Paragraph | In the northern heavens, visible in the United States on almost any night of the year, there is a famous star that the Arabians named Al Gol, the Demon Star. While all the myriads of fixed stars glowed ...