RAILWAY AGE, MAY 2023 ISSUE: Welcome to “Timeout for Tech with Gary T. Fry, Ph.D., P.E.” Each month, we examine a technology topic about which professionals in the railway industry have asked to learn ...
Many inventions can be traced back to the scientific curiosity of Prof. Hans Goldschmidt. His most important invention was patented 120 years ago. The THERMIT® process turned out to be a major advance ...
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