Archive for the 'Science' Category

Anthropological Achievements 1929

ANTHROPOLOGY 1929
by CLARK WISSLER, PH.D.
Curator of Anthropology,
American Museum of Natural History
A REVIEW of anthropology reveals an increase in the number of institutions and endowments supporting the study of prehistoric man and the contemporary less civilized races, accompanied by a corresponding gain in the number of investigators.Â Almost every part of the land surface of the [...]

GEOLOGICAL ACHIEVEMENTS 1929

GEOLOGY 1929
by ALFRED C. LANE
Professor of Geology and
Mineralogy, Tufts College
PERHAPS the great achievement of 1929 is the enlistment of more precise physical and chemical methods to help in unraveling the history of the earth and its structure.Â Â Â For instance, by studying its electric conductivity, more conductive strata have been located perhaps thirty miles down.
Again, the [...]

Photographic Achievements 1929

PHOTOGRAPHY 1929
by C. E. KENNETH MEES, D.Sc.
Director, Research Laboratory,
Eastman Kodak Company
AMONG the scientific applications of photography, there should be noted a considerable advance in the photography of the infra-red spectrum. This has been made possible by the application of Neocyanine plates. Such plates have been used for photographing the infra-red end of the solar spectrum [...]

Archaeology Achievements 1929

ARCHEOLOGY 1929
by NEIL M. JUDD
Curator of American Archeology,
United States National Museum
WITHIN the Americas, the most notable achievement unquestionably has been the National Geographic Society’s establishment of a chronology that adds some 1,500 years to history; determines the age of Pueblo Bonito, most famous ruin of the southwestern United States; and dates some forty other villages [...]

1929 ACHIEVEMENTS IN ASTRONOMY

ASTRONOMY IN 1929
by HEBER D. CURTIS
Director, Allegheny Observatory
NEARLY all the research of our great modern observatories is in the form of vast “continuing programs,” planned to last decades instead of months.
So numerous have been minor but none-the-less valuable accretions to the total of astronomical select any particular one as epoch-making. In one field it may [...]

Communication Achievements of 1929

COMMUNICATION DEVELOPMENTS 1929
by FRANK B. JEWETT, Ph. D.
President, Bell Telephone Laboratories
Source: Popular Science Monthly – January 1930
IMPROVEMENTS in apparatus, circuits, and methods continue to extend the limits of communication and to im-prove its speed, quality, and depend-ability. Illustrative of this is the proposed transatlantic telephone cable, the main link of which will probably extend 1,800 [...]

Geography Achievements in 1929

GEOGRAPHY ADVANCEMENTS 1929
by WILLIAM BOWIE
Chief, Division of Geodesy,
U. S. Coast and Geodetic Survey
Source: POPULAR SCIENCE MONTHLY – January 1930
EXPLORATIONS have been in progress or initiated during the year along a number of different lines. Commander Richard Evelyn Byrd has been in the Antarctic, exploring the edges of the ice fields and, by air-plane, the interior [...]

Radio Advancements in 1929

RADIO ADVANCES 1929
by JOHN V. L. HOGAN
Radio Engineer and Inventor
THE growth of radio during 1929 has been not only in the improvement of technical processes and apparatus, but also in the organization and extension of its services and in the adaptation of radio principles to work in various other fields.
Public contact with radio is mainly [...]