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Observation of Melting by Nuclear Magnetic Resonance - Nature
Nature· 21 hours agoImpurity premelting1 allows the observation of a spin echo signal immediately below the melting point. A plot of the signal amplitude versus temperature determines both the ...
Observations on the Excitation of Helium Spectra - Nature
Nature· 21 hours agoIN the course of an examination of the properties of the electron discharge in an atmosphere of helium we have made some observations of the conditions affecting the excitation ...
Rotation Period of the Planet Venus as determined by Radio Observations - Nature
Nature· 22 hours agoIN previous communications, observations of the planet Venus at a wave-length of 11 metres at the Ohio State University have been reported1. Based on these and subsequent ...
Observation of Atmospheric Sodium in Absorption - Nature
Nature· 23 hours agoNEARLY twenty years ago, the presence of sodium in the upper atmosphere was found by the observation of the D lines in twilight1. Attempts to deduce the amount of sodium in ...
Observation of an Encounter between Birds and Floating Oil - Nature
Nature· 23 hours agoALTHOUGH oil pollution has been a growing hazard to water birds for half a century1, little information is available about how it occurs. Curry-Lindahl2 has remarked that in the Baltic flocks ...
Suggested Observations of Halley's Comet - Nature
Nature· 19 hours agoTHE Astronomical and Astrophysical Society of America, through its comet committee, is soliciting cooperation in the observation of Halley's comet at the present return, and ...
Observations of Magnetic Declination made at Trevandrum and Agustia Malley in the Observatories of...
Nature· 22 hours agoLet us hear what Mr. J. Allan Broun, a magnetician of great eminence, has to say of the late ruler of Travancore. Observations of Magnetic Declination made at Trevandrum and ...
Astronomical Topics - Nature
Nature· 21 hours agoProf. E. Freundlich gave an account of his observations of the Einstein bending of light by the sun's gravitation at the meeting of the Royal Astronomical Society on Dec. ...
Observations of the Leonid Meteors, 1904 - Nature
Nature· 24 hours agoOBSERVATIONS by the writer this year go to show that the intensity was much below that of last. Briefly, the nights of November 12 and 13 were heavily overcast, but the night ...
Audio-Frequency Spectrum of Atmospherics - Nature
Nature· 22 hours agoTHE observations on the low-frequency or ‘slow tail’ component in the waveform of an atmospheric described recently by Hepburn and Pierce in Nature1 is of particular interest ...
