IperionX pilot titanium facility in Salt Lake City, Utah, built with funding from the U.S. Department of Energy's ARPA-E program. I always have an eye out for major manufacturing process innovations ...

Up to about 1870 railroad rails were made of iron because the cost of making steel in quantity was prohibitive. Then the converters invented by Henry Bessemer got going and steel became much cheaper.

PROF. CARPENTER is evidently right, and I am glad that he has corrected my mistake in reference to the Bessemer converter,—the statement as to the Leblanc process was, I believe, correct. It would be ...