Jan 6, 2026 · Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United …

Dec 29, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …

Dec 30, 2025 · Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style …

Nov 13, 2025 · Rock Hudson, American actor noted for his good looks and movie roles during the 1950s and ’60s, including Magnificent Obsession, Giant, and Pillow Talk, and for the TV series …

Jan 6, 2026 · First, that rock is so broad a musical category that in practice people organize their tastes around more focused genre labels: the young Presley was a rockabilly, the Beatles a …

Jan 6, 2026 · Rock remains the most democratic of mass media—the only one in which voices from the margins of society can still be heard out loud. Yet, at the beginning of the 21st …

Jan 6, 2026 · In Britain, as in the rest of Europe, rock and roll had an immediate youth appeal—each country soon had its own Elvis Presley—but it made little impact on national …

Rock - 80s, 90s, Pop: The music industry was rescued from its economic crisis by the development in the 1980s of a new technology, digital recording. Vinyl records were replaced …

British Invasion, musical movement of the mid-1960s composed of British rock-and-roll (“beat”) groups whose popularity spread rapidly to the United States. The Beatles’ triumphant arrival in …

Dec 29, 2025 · Rock - Electrical Properties: The electrical nature of a material is characterized by its conductivity (or, inversely, its resistivity) and its dielectric constant, and coefficients that …