IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Replica of Ampere's 1820 experiment ...

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 ...

Autograph letter signed, handwritten in black ink on unlined paper. Name and address of recipient handwritten on page 4. André-Marie Ampère was a French physicist and mathematician who was one of the ...