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    • Our Astronomical Column - Nature

      Nature· 19 hours ago

      W. H. Pickering, for observations during the coming eclipse of the sun, with the object of making a thoroughly systematic search for a possible planet revolving between Mercury</ ...

    • Spectra of Intermetallic Compounds - Nature

      Nature· 4 days ago

      DURING the last few years it has been established, on the basis of spectroscopic and other evidence, that certain metals, for example, the alkali metals and mercury, are capable ...

    • Low-Pressure Electrical Discharges - Nature

      Nature· 16 hours ago

      For a bulb of given size, the wave-lengths must be less than a certain value which is directly proportional to the diameter of the bulb. A rough working rule is that the maximum permissible ...