Magazine - Page 65

KAUFFMANN and HELL. — An account of an experiment in which nitrogen was exposed to the influence of Tesla currents. The nitrogen is contained in a wide glass tube, in which there is a narrow tube...

While a large portion of the European family has been surging westward during the last three or four hundred years, settling the vast continents of America, another, but smaller, portion has been...

BY DR. F. S. KOLLE. The editorial in the last issue of The Electrical Engineer on Mr. Tesla's investigations of the harmful effects of the X-ray is a very timely contribution to the literature of the...

The prominence which has been given to power transmission by multiphase currents in the experiments between Frankfort and Lauffen, seems to have led to the impression, even among those otherwise well...

From the enemy U-boats of World War II to the enemy insects attacking man and crops today, Philip Callahan tells the fascinating tale of how an understanding of electromagnetic radiation can lead one...

In these days of radio telegraphy, the use of rotary spark gaps has become very extended. There are a great number of different type gaps on the market, some of them very efficient, and some of them...

The leading article of the June number of the Century Magazine is entitled " The Problem of increasing Human Energy ," and is written by Nikola Tesla. Mr. Tesla offers the reader some naive verbal...

The sensational announcements in the American press with regard to Mr. Nikola Tesla's wonderful doings and still more wonderful prophecies, have been attributed in a large measure to the highly...

Röntgen Rays. SHETTLE. Lond. Elec. Rev. and Elec. Eng. March 6. —He claims that the cause of the phenomena discovered by Röntgen (referring to the photographic effect of the rays) is the direct result...