Category: Science - Physics
Advance of Astronomy During the Nineteenth Century 289 The Applications of Explosives 300 A Paradoxical Anarchist 312 What Makes the Trolley Car Go 316 Woman’s Struggle For Liberty in Germany 328 Scenes on the Planets 337 Professor Ward on “Naturalism and Agnosticism” 349 Dest...
The first birds I saw were the rugged and noisy English sparrows, written down in most bird books as “pests,” but I confess I could not resist giving them a crumb or two, for th...
1. Part 1Advance of Astronomy During the Nineteenth Century 289 The Applications of Explosives 300 A Paradoxical Anarchist 312 What Makes the Trolley Car Go 316 Woman’s Struggle For Libe...
3. Part 3I am happy to say that this principle has now been adopted by the Russian Government, and by our navy in its specifications for smokeless powder; but they have, I think unwisely...
4. Part 4In an electric motor the horseshoe magnet is called the field magnet, and the rotating part is called the armature, while the device by means of which the direction of the curre...
5. Part 5The girls’ schools established by the Government provide well for the study of the modern languages, and it is the exception to find women in the upper classes who do not speak...
6. Part 6It would be possible, when the planet is favorably situated, to witness an entire rotation of Jupiter in the course of one night, but the beginning and end of the observation wo...
12. Part 12=Glacial Lakes in New York.=--A glacial lake is defined by H. P. Fairchild, in his paper on Glacial Waters in the Finger Lake Region of New York (Geological Society of America,...
10. Part 10The volcano of Mayon, or Albay, in the province of Camarines, has been in frequent eruption from 1616 down to within thirty years. Some of the eruptions were very destructive to...
11. Part 11In a state, therefore, which is ruled by public opinion one of the qualities which a liberal education should most distinctly aim to impart is firmness to resist popular pressur...
2. Part 2The circumstances of Uranus were, however, in this respect wholly exceptional. Due allowance was first made for the attraction of Uranus by Saturn, and for the attraction of Ura...
7. Part 7But it is to the second sentence I here chiefly draw attention. Whether or not there be a sarcasm behind the words “blandly to confess,” it is clear that the sentence is meant t...
13. Part 13Prof. A. E. Dolbear, of Tufts College, Massachusetts, patented an invention for telegraphing without wires in 1886, which he claims covers all that Marconi is doing. He has sent...
8. Part 8Hidden beneath our highways lie gas pipes, water pipes, railway tracks, Edison tubes, cement-lined iron subway ducts, and lead-covered cables. These are the electrodes. In conta...