SCIENCE CONGRESS

Dominion, Volume 7, Issue 2239, 27 August 1914, Page 7

SCIENCE CONGRESS

• jWIRELBSS TELEGRAPHY. By Telegraph—Press Association-Copyright Sydnoy, August 26. Sir Oliver Lodge, referring to the fact that wirelos's messages travelled further in the night time and better than be-, tween sunrise and sunset, pointed out that high up the atmoaphero was of too low a pressure, whilo below it was too high. Between the two must be a good conducting layer of air. This provided a steady constant means of travel at night, when the disturbing influence of sunlight was not present. '■''". Mr. • Balaillie, the Commonwealth wireless expert, stated that' he had sent messages to a distance of two thousand miles at night, as against 450 miles in the- day-time. If the wave-length ■ was increased, the range would be greatly extended in the daytime, but not a\ night. ; . . SYDNEY SESSION ENDED, , (Rec. August 26, 10.40 p.m.) Sydney, August 26. The sittings of tho Science Congress in Sydney have finished. Many of the professors attended the funeral of the lato Sir H. N. MaoLaurin, subsequently the bulk of them departed by special train for Brisbane; where the sittings will be continued. A number, including Sir E. Rutherford, departed for tho Rivernuu ■;.■.■• ~-■•• , It was announced that the next Congress would be hold,at Manchester. • A number of papers wero read to-day in the botany section. , Dr. Smith in his paper on the bones of aboriginals deduced that different, races of mankind might be differentiated by the texture of their bones. „