Civil Rights
Movements, leaders, victories and the continuing fight for equality.
Explore the people, places, events, achievements, struggles and stories that shaped our journey.
Movements, leaders, victories and the continuing fight for equality.
Innovation, patents, science, technology and world-changing contributions.
Pioneers, champions, Negro Leagues, records, activism and excellence.
Meet the people whose lives, choices and achievements shaped the journey.
Black towns, communities, institutions and places where history happened.
Moments that changed communities, movements, institutions and the nation.
In August 1908, a white mob attacked Springfield, Illinois’s Black community, destroying homes and businesses and lynching two Black men. National outrage over the violence helped spur the movement that created the NAACP the following year.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
Solar radio may refer to:
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Solar radio may refer to: Solar-powered radio, a portable radio receiver powered by solar energy Solar radio emission, radio waves that are naturally produced by the Sun Solar Radio, a soul radio station based in London, England
Solar Radio is a London-based radio station, which originally started life as a pirate radio station. Solar broadcasts primarily soul to London on DAB and online. Solar (originally short for Sound of Londons Alternative Radio) first broadcast as a pirate radio station in October 1984, and was founded by DJ Tony Monson, who later joined Kiss FM. Solar ceased broadcasting in October 1988 as an unlicensed operator. On 1 June 1999, Solar returned through satellite broadcasting, initially broadcasting on Astra 19.2°E, and then Astra 2 (used by Sky TV) from 9 August 2000 where they stayed until 31 May 2019. From 29 October 2015, Solar also commenced broadcasting on the Trial London DAB MUX. Presenters on Solar include Tony Monson, Clive Richardson (from the original 1984 roster), Marc Collins, Gary Spence, Steve Hobbs, Mike Gee, Lisa I'Anson, Ralph Tee, Ian Jons, John Osborne, Louie Martin, Kid Batchelor, Les Adams and Steve Johns, Paul Phillips, Russ Warnes. Robbie Vincent has occasionally guested on the station
The Siberian Solar Radio Telescope (SSRT) is a radio telescope located in the Russian republic of Buryatia designed for solar observation.
Solar radio emission refers to radio waves that are naturally produced by the Sun, primarily from the lower and upper layers of the atmosphere called the chromosphere and corona, respectively. The Sun produces radio emissions through four known mechanisms, each of which operates primarily by converting the energy of moving electrons into electromagnetic radiation. The four emission mechanisms are thermal bremsstrahlung (braking) emission, gyromagnetic emission, plasma emission, and electron-cyclotron maser emission. The first two are incoherent mechanisms, which means that they are the summation of radiation generated independently by many individual particles. These mechanisms are primarily responsible for the persistent "background" emissions that slowly vary as structures in the atmosphere evolve. The latter two processes are coherent mechanisms, which refers to special cases where radiation is efficiently produced at a particular set of frequencies. Coherent mechanisms can produce much larger brightness temperatures (intensities) and are primarily responsible for the intense spikes of radiation called solar radio bursts, which are byproducts of the same processes that lead to other forms of solar activity like solar flares and coronal mass ejections.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Shirley Chisholm, elected in 1968.