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    • Calendar of Patent Records - Nature

      Nature· 1 day ago

      November 2, 1847.—An improved method of making gelatine medicinal capsules, which was widely adopted later, was probably the invention of a French chemist but was patented in England in the ...

    • Calendar of Patent Records - Nature

      Nature· 1 day ago

      December 1, 1671.—On Dec. 1, 1671, Prince Rupert was granted a patent for his new invention of “converting into steel all manner of edged tools, files, etc., forged and formed in soft iron, ...

    • Calendar of Nature Topics - Nature

      Nature· 1 day ago

      FOR the past nine years calendars have been published in our columns recording week by week notes of historic interest relating to people and institutions, discoveries and ...

    • Our Astronomical Column - Nature

      Nature· 1 day ago

      CALENDAR REFORM.—Somewhat of a deadlock has been reached in the matter of calendar reform, owing to the unwillingness of a considerable section to abandon ...