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01:27Traveling Waves: Lossless Lines
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The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx and a shunt capacitance CΔx.
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04:49Robbers Cave
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During the 1950s, the landmark Robbers Cave experiment demonstrated that when groups must compete with one another, intergroup conflict, hostility, and even violence may result. At the Oklahoman summer camp, two troops of boys—termed the Rattlers and the Eagles—took part in a week-long tournament. During this time, their negativity culminated in derogatory name-calling, fistfights, and even vandalism and destruction of property. However, this work also revealed that such tension...
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02:12Short-distance Transport of Resources
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01:21Rolling Resistance
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When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
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The roadless dunes less traveled
1Centre for Econics and Ecosystem Management, Eberswalde University for Sustainable Development, 16225, Eberswalde, Germany. pierre.ibisch@hnee.de.
Science (New York, N.Y.)
|May 6, 2017
Summary
No abstract available in PubMed .
