Category: Science - Physics
It would be difficult to name any subject of investigation, the progress of which during our time has been more remarkable than that in the field of stellar astronomy. Several features of this progress are especially noteworthy. One of these is the mere extension of research....
It would be difficult to name any subject of investigation, the progress of which during our time has been more remarkable than that in the field of stellar astronomy. Several f...
2. Part 2If the practice of separating the visible stars into only six orders of magnitude were continued without change, we should still have the anomaly of including in one class stars...
3. Part 3The experiments I had in view involved manufacturing a material on a large scale, and operating on it for weeks continuously. To do this it was essential to find a way of recogn...
4. Part 4The mother country supports or aids its self-governing colonies through its capitalists. In order to execute public works--roads, bridges and railways--to assist immigration, to...
5. Part 5The Massachusetts Institute of Technology was chartered in 1861, and first opened to students in 1865. Its claim to recognition as a leader in the development of technical educa...
6. Part 6The laboratory for testing the strength of materials was established in 1881 by Prof. G. Lanza, and has since been extensively developed under his direction, until it is now one...
7. Part 7In reviewing the success which this school has attained, the question naturally presents itself: To what is this success due? Let me here record my conviction that it has been d...
8. Part 8These homicidal manias have, of course, been very frequent in history. The decivilizing influence of the craze is, however, most perfectly illustrated in the various scenes of t...
9. Part 9Extremely violent reactions are taking place constantly in the atmosphere of the sun. The sun’s chromosphere, or outer layer of its atmosphere, consists mainly of hydrogen, and...
10. Part 10This lecture is devoted to a description of the parasite and of its life cycles. The existence of a parasite in malarial disease has been suspected for a long time, but only ver...
11. Part 11Röntgen’s discovery of the rays that pass through metals and solids opaque to light was made in 1895, and in the following year, Becquerel, a distinguished French academician, d...
12. Part 12The memoirs presented to the Cambridge Philosophical Society on the occasion of the jubilee of Sir George Stokes, have been published in a stately volume by the Cambridge Univer...
13. Part 13The American Association last met in New York City in 1887, though there was a meeting in Brooklyn in 1894. The past thirteen and even the past six years have witnessed an extra...