Results 71 to 80 of about 5,154,085 (219)
Micro-Rockets for the Classroom [PDF]
, 2001 Many people are fascinated with rocketry, as evidenced by hundreds of thousands of visitors to the Kennedy Space Center for Space Shuttle launches. Rockets demonstrate important basic principles of chemistry, engineering, and physics 1-5.
Huebner, Jay S +3 more
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Factors influencing wintering turfgrass field use in Atlantic brant
Wildlife Biology, EarlyView.Atlantic brant Branta bernicla hrota increasingly use turfgrass fields, such as baseball fields and golf courses, throughout their wintering range. Most studies have focused on their primary food source, submerged aquatic vegetation, while studies of other goose species worldwide have examined field use in different contexts, including agricultural ...
David J. Weber +3 more
wiley +1 more source
, 1965 Sounding rockets for transporting scientific instruments in nearly vertical ...
Pressly, E. C.
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The Political Quarterly, EarlyView.Abstract The seemingly inexorable rise in global tourism has generated widespread concerns about rising negative externalities—from the degradation of the natural and cultural environment of host destinations, to the exclusion of locals from the most desirable destinations of their country.
Stathis N. Kalyvas
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Journal of the Royal Anthropological Institute, EarlyView.Over the last 25 years, perceptions of the early prehistory of Northwest Africa have undergone radical changes due to new fieldwork projects and a corresponding growth in scientific interest in the region. Much of this work has been focused in Morocco, known for its extremely rich fossil and archaeological records in caves and rock shelters.
Nick Barton +3 more
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The Milbank Quarterly, EarlyView.Policy Points Position Universal, High‐Quality Education as a Foundational Public Health Strategy. Long‐term health and life expectancy in the United States are shaped more by educational attainment than by any other single factor. Disparities in access to early childhood, K‐12, and higher education perpetuate cycles of chronic disease, economic ...
ALI H. MOKDAD +2 more
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History, EarlyView.Abstract During the 1960s, Mexico's Institutional Revolutionary Party (PRI) embraced Chinese overtures for a commercial opening as consistent with its anti‐imperialist posture, thereby foreshadowing the diplomatic opening to China in 1972. Yet this professed ideological pluralism was eclipsed by an underlying allegiance to the United States' anti ...
YIXIN TIAN
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Assessment of using electric pumps on hybrid rockets
, 2019 In small hybrid rockets, liquid oxidizer is fed into the combustion chamber by pressurizing the oxidizer tank to achieve the desired injector pressure.
Gegeoglu, K. +3 more
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International Journal of Urban and Regional Research, EarlyView.Abstract This article develops the concept of differentiated infrastructural citizenship (DIC) to explain how infrastructural citizenship is materially mediated, socially differentiated, and unevenly exercised in a rapidly urbanizing small city. It advances scholarship on infrastructural citizenship and everyday claims‐making as political participation
Nidhi Subramanyam
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