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Movements, leaders, victories and the continuing fight for equality.
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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.
Katherine Johnson’s mathematical calculations helped guide some of America’s most important early space missions while she confronted the racial and gender barriers faced by Black women in twentieth-century America.
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
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A reference design is a technical design of a system that is intended for others to copy. It contains the essential elements of the system; however, third parties may enhance or modify the design as required.[1] When discussing computer designs, the concept is generally known as a reference platform.
The main purpose of reference design is to support companies in development of next generation products using latest technologies. The reference product is proof of the platform concept and is usually targeted for specific applications. Reference design packages enable a fast track to market thereby cutting costs and reducing risk in the customer's integration project.
As the predominant customers for reference designs are original equipment manufacturers (OEMs), many reference designs are created by technology component vendors, whether hardware or software, as a means to increase the likelihood that their product will be designed into the OEM's product, giving them a competitive advantage.
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A reference design is a technical design of a system that is intended for others to copy. It contains the essential elements of the system; however, third parties may enhance or modify the design as required. When discussing computer designs, the concept is generally known as a reference platform. The main purpose of reference design is to support companies in development of next generation products using latest technologies. The reference product is proof of the platform concept and is usually targeted for specific applications. Reference design packages enable a fast track to market thereby cutting costs and reducing risk in the customer's integration project. As the predominant customers for reference designs are original equipment manufacturers (OEMs), many reference designs are created by technology component vendors, whether hardware or software, as a means to increase the likelihood that their product will be designed into the OEM's product, giving them a competitive advantage.
NASA Design Reference Mission 3.0 was a NASA study for a human space mission to the planet Mars in the 1990s. It was a plan for a human exploration architecture for Mars, and was released in 1998 as an addendum to the early design plans released in 1994. The plan is for a series of multiple launches to send various space transportation, surface exploration hardware, and human crew to Mars, and to return the crew to Earth in the early 21st century. Various technologies are explored to launch the payloads into space, to send them to Mars, and to reduce overall weight of the mission by various technologies or techniques including nuclear, solar, aerobraking, and in-situ resource use.
The NASA Mars Design Reference Mission ("DRM") refer to a series of NASA conceptual design studies of the missions to send humans to Mars. The related term, Design Reference Architecture (DRA), refers to the entire sequences of missions and supporting infrastructure. These are reference baseline studies summarizing the current technology and possible approaches for a human mission to Mars, and are not actual mission programs. According to NASA, the documents "represent a 'snapshot' of work in progress in support of planning for future human exploration of the Martian surface." The design reference missions are used for technology trade studies, to analyze the effect of different approaches to the mission.
A reference is a relationship in which one object designates or links to another. Reference or reference point may also refer to: Reference (computer science) Reference (C++) Reference (film), a 1985 Bulgarian film Reference, a citation, i.e., a link to a source of information Reference design, in engineering Reference desk, in a library Reference question, a concept in Canadian public law Reference work, a dictionary, encyclopedia, etc. Reference.com, an online reference source Digital reference, a library reference service conducted online Letter of reference Sense and reference (Bedeutung) or Reference, Frege's term for that which an expression designates
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.
