Questions tagged [metallurgy]

The technical science about theoretical and practical use of metals, their alloys, and preparing them to use.

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30
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7answers
29k views

To what extent did Native American cultures develop metalworking for tools and weapons?

When Europeans started showing up in the New World, the native cultures were technologically far behind. Many still used stone tools: North American tribes used flint, while some Mesoamerican cultures ...
8
votes
4answers
2k views

When did leaf springs appear in vehicles?

Passenger vehicles require suspensions for ride comfort. Most today use helical springs, but leaf springs were at one time a major advance over chain or leather strap suspensions, and are still used ...
11
votes
1answer
271 views

When were public roads cleaned electromagnetically?

In the first half of the 20th century, tires were more often punctured, so metal waste on the roadway was a bigger problem. The book "Lorries, Trucks and Vans 1897-1927" features an electromagnetic ...