Category: Science - Physics
The Modern Occult 449 Birds As Flying Machines 473 Electric Automobiles 479 The Human Body As an Engine 491 Chapters on the Stars 500 The Psychology of Red. (II.) 517 The Expenditure of the Working Classes 527 The Conquest of the Tropics 540 Discussion and Correspondence 546 S...
The Modern Occult 449 Birds As Flying Machines 473 Electric Automobiles 479 The Human Body As an Engine 491 Chapters on the Stars 500 The Psychology of Red. (II.) 517 The Expend...
2. Part 2[A] To prevent misunderstanding it is well to repeat that I am speaking of the general average of thorough-going spiritualists. The fact that a few mediums have engaged the atte...
3. Part 3Surely this is a remarkable product of mortal mind! It would perhaps be an interesting _tour de force_, though hardly so entertaining as ‘Alice in Wonderland,’ to construct a un...
4. Part 4No better illustrations could be desired of the effects of mental prepossession and the resulting distortion of evidence and of logical insight, than those afforded by Spiritual...
5. Part 5As electricity has been so successful in the street railway, where it has superseded all other forms of motive power, it might naturally be supposed that it would do equally wel...
6. Part 6The chamber was so constructed and fitted with electrical and other devices as to afford the means of measuring the quantity of heat which the subject of the experiment gave off...
7. Part 7In order that such a study should lead to a definite conclusion, we must recall that to each special shade of color corresponds a definite position in the spectrum. That is to s...
8. Part 8Now, we may consider the waves which form light when they strike our apparatus as beats in the ethereal medium which follow each other with extraordinary rapidity, millions of m...
9. Part 9This brings us to the consideration of the influence of the red rays on the nervous system. From time to time experiments have been made as to the influence of various colored l...
10. Part 10Thus, then, we have at once a more accurate theory, a livelier sense of caution as to its limitations in practice, and the widest possible field of study. So far as most of us a...
11. Part 11Another respect in which French example may be profitable to us is the municipal management of funerals (_pompes funébres_). Many a struggling family of the working classes has...
12. Part 12Education and good laws will remove from the Tropics many undesirable features which now repel people from the North. It has been already remarked that the people in these islan...
13. Part 13Professor Suess’s great work, ‘Das Antlitz der Erde,’ has been translated into French with emendations and annotations, and thus becomes accessible to an enlarged number of read...
14. Part 14While special laboratories are open for work in biology, and the universities are extending their sessions through the summer, the common schools are also beginning to realize t...