ALL who have had the experience of attempting to exhibit to a large audience the simple phenomena of dynamical electricity will bear testimony to the difficulty of rendering apparent over the whole of ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. A brass base with three adjustable ...

A chance "eureka moment" by a Scottish physicist solved a problem that had plagued the transatlantic cable -- and made a lord out of the man who had the insight. One of the fundamental problems of ...

I MUST confess that I was surprised by Mr. R. E. Baynes' communication, in NATURE, vol. xix. p. 33, that the galvanometer I have proposed in NATURE, vol. xviii. p. 707, has already been described.

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

In a darkened room at the University of Jena, Germany, Professor Hans Berger felt the forehead of his assistant carefully. Finding a proper spot, he punctured the skin, shoved a small silver needle ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Round wooden base 8 in diameter; made ...

I suppose I can take credit for introducing the super awesome [Fran Blanche] to Hackaday’s very own crotchety old man and Commodore refugee [Bil Herd]. I therefore take complete responsibility for ...