Tag: metals
In Praise of Copper, a Gift from Nature
If the conductivity of copper were ten times less, wires would have to be ten times the cross-sectional area to provide the same conductivity.
For a Technological Civilization, We Must Have Metals
It is very doubtful that any beings in the universe could develop a civilization remotely comparable with our own without the use of metals.
By Design, Earth Is a Planet Fit for Fire
As we have seen so far in this series, fire was an absolutely crucial component in humanity’s rise to civilization and technology.
For Mankind, the Leap from Copper to Iron Was a Landmark Advance
The importance of metals, particularly iron, and the importance of the discovery of metallurgy can hardly be exaggerated.