J. Robert Oppenheimer: before the war

Article Abstract:

Physicist J. Robert Oppenheimer is more popularly known as the father of the atomic bomb. However, he also contributed immensely to theoretical physics even before the war through his research on areas such as quantum-mechanical tunneling, cosmic-ray showers and quantum electrodynamics.

Research, Physicists, Oppenheimer, J. Robert

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Why America's bridges are crumbling

Article Abstract:

Data from the Federal Highway Administration's National Bridge Inventory indicate that about 39% of highway bridges are unable to carry standard loads, or they are too narrow, or they lack sufficient clearance. Factors contributing to bridge deficiencies are explored.

Analysis, Maintenance and repair, Bridges, Bridges (Structures), Bridge failures

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The revolutionary bridges of Robert Maillart

Article Abstract:

A description of the highway bridge building techniques of Swiss engineer Robert Maillart is presented. He specialized in the design of simple, effective structures and solved engineering problems without resorting to mathematical analysis.

Methods, Influence, Bridge construction, Maillart, Robert

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