This dual-fuel model is quiet and built to power sensitive devices and smart appliances. It’s also $1000, which makes it a ...

IN the English Electric Co.'s Journal for October, a description is given of the high-pressure D.C. dynamos it constructs for use in electrostatic precipitation plant. The Whessoe Foundry and ...

The harnessing of electricity has played a pivotal role in human history and has exponentially expedited our growth as a species. Since becoming a household commodity in the late 19th century, ...

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 ...

A hand-operated electrical generator, type GN-35, for a type SCR-131 radio. Rectangular metal case, olive drab color. Comes with two crank handles and a stand. Metal tag reads: "Signal Corps U.S. Army ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. No extant maker's markings. This ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

A team of Brigham Young University student engineers this week unveiled a merry-go-round capable of turning children’s play into electricity. The students’ prototype merry-go-round uses a direct ...