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5
votes
3answers
212 views

Are steam engines still in regular use anywhere in the world?

Are there any countries in which steam engines have a regular purpose, or are still dominant on the railway? When did they officially fade out of use in the western world? In Australia at least, they ...
1
vote
1answer
98 views

What is the history of Research and Development laboratories?

When did Research and Development laboratories (R&D labs) emerge? What was the institutional and intellectual context? Have they undergone major changes in their nature? What role have R&D ...