The members of the Franklin Institute of Philadelphia took their seats for their annual meeting last week in an atmosphere of ill-concealed excitement. Weeks before, the committee on awards had ...

THE author considers chiefly those portions of the subject which are somewhat neglected in most books, and in addition deals with the results of some of the more recent investigations. Brief outlines ...

IN a letter to NATURE of June 18, Mr. Reid and I described the rings formed when a beam of cathode rays was sent at normal incidence through a thin film of celluloid and struck a photograph plate ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. nmah_711571 ...

Professor John Trowbridge delivered a lecture last night in the Jefferson Physical Laboratory, under the auspices of the Engineering Society, on "Cathode Rays." The large lecture room was filled to ...