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    • Position Finding Without an Horizon - Nature

      Nature· 20 hours ago

      The latter, which is written by Dr. Alfred Brill, relates to the reduction of observed altitudes for the purpose of finding position by means which can be quickly and readily ...

    • Nanometeorites - Nature

      Nature· 20 hours ago

      THIS communication is a preliminary report of our work on a high-altitude airborne particle collection obtained in the Arctic on November 15, 1960. The collector was exposed ...

    • Rainbow Visible after Sunset - Nature

      Nature· 23 hours ago

      IT may be of interest to record that about sunset on Monday, June 4, there was a fine rainbow here which persisted until the sun was well below the horizon. The last trace of it vanished at ...

    • The Aurora of February 4 - Nature

      Nature· 21 hours ago

      It began to tinge the southern sky at a considerable altitude so early in the evening that I thought it must have been the reflection of a crimson sunset; nor was I undeceived ...

    • The Aurora of February 4 - Nature

      Nature· 21 hours ago

      ON Sunday evening 4th inst, a beautiful display of aurora was observed here (lat. Shortly after, an almost complete auroral arch, of faint orange red light, similar to that at first observed ...

    • Scientific Serials - Nature

      Nature· 18 hours ago

      PART ii. of the Zeíschrift für Ethnologie contains No. 6 of Dr. Hartmann's “Studies of the History of Domestic Animals,“on the yak or grunting ox (Bos grunniens) living wild at immense