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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Weston DC dynamo, no extant markings.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Nameplate reads: "Manufactured by / ...

Renesas is supporting efficient power conversion and distribution for the 800 Volt Direct Current power architecture ...