A splendidly insightful editorial in the Battleboro, Vt. Reformer newspaper offers a dismal assessment of railroad passenger service in the U.S. — a subject that high on the lists of both presidential candidates (John McCain has never been a good friend of Amtrak’s). The editorial decries that fact that the trains are slower and less frequent compared to the 1938 schedule even through railroad technology has dramatically improved. We’ve gutted Amtrak for years and now we need expanded rail service more than ever.
Researchers working with additive manufacturing have said multimaterial techniques will allow industry “to fabricate materials with combinations of density, strength, and thermal expansion that do not exist [yet].”
The term "multiphysics" is used to describe the simulation of multiple types of physics and their influence on one another -- for example, the investigation of the behavior of a chemical in liquid form will involve both chemistry and fluid dynamics.
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