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Societies and Academies. - Nature
Nature· 3 days agoChemical Society, December 17, 1891.—Dr. W. H. Perkin, F.R.S., Vice-President, in the chair.—The following papers were read:—The composition of cooked vegetables, by Miss K. J. Williams. The ...
Some Applications of the Theory of Electric Discharge Through Gases to Spectroscopy 1 - Nature
Nature· 3 days agoAs recent experiments have thrown a considerable amount of light on the processes going on in the different kinds of electrical discharge and at different parts of the same discharge, the study ...
Societies and Academies - Nature
Nature· 3 days agoAn account is given of Dr. Wilsing's observations of faculæ for the purpose of determining the time of rotation, and of the recent work done by M. Dunér, in which Fizeau's method was adopted ...
Societies and Academies - Nature
Nature· 3 days agoThe co-ordinates of the stations of the Collége d'Harcourt.—G. Charpy and M. Godchot: The formation of coke.—M. Plancherel: The unicity of the development of a function in a series of Legendre ...
Fertilisation of Flowers by Insects * - Nature
Nature· 3 days agoWhen the flower has just opened, its two upper Eetals are light violet, or, in rarer cases, nearly white; ut they gradually become a deep violet, or even dark blue. Far more striking is, ordinarily ...
Photochromism of o-Nitrotoluenes - Nature
Nature· 3 days agoTHE crystals of 2-(2′,4′-dinitrobenzyl)-pyridine (I), which are colourless when kept in the dark, turn blue when exposed to light1. Hardwick, Mosher and Passailaigue1 by using a cryoscopic technique ...
The Yellow Colour in the Stoat's Skin - Nature
Nature· 3 days ago… I do not know whether it has been recorded, though I should have thought so, that a stoat's fur of the purest white will, after exposure to light in a museum case for a time, varying with ...
Scientific Serials - Nature
Nature· 3 days agoIts elements, calculated by Herr Seyboth, are:—T= 1884, January 23.225 average time of Pulkowa; φ = 92° 19′ 39″; Ω = 253° 22′ 52″; i = 74° 21′ 56′; ω = 198° 56′ 47″; q = 9.87922. Dr. Struve ...
Scientific Serials - Nature
Nature· 3 days agoThe experiments detailed in this paper were undertaken by the author to determine, from a theoretical point of view, the changes taking place in the conversion ...
Societies and Academies - Nature
Nature· 3 days agoPhysical Society, March 14.—Mr. S. Lupton, vice-president, in the chair.—A paper on the thermal expansion of porcelain was read by Mr. A. E. Tutton. The paper gives an account of experiments ...
