Questions tagged [materials-science]

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When and by whom was the definition of the magnitude a 2nd-rank tensor property in a given direction established?

Context for the question: Nye (1985, p.25) states the following. The concept of the magnitude of a property in a given direction is one that needs careful definition, because of the lack of ...
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1answer
92 views

What is the explanation of rope's strength in Galileo's Two New Sciences?

I'm reading Galileo's Two New Sciences. But as other Scientific Book it is hard. I am having trouble in First day, where SIMPLICO asks this question(Page 7): "But how can one make a rope one ...
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1answer
72 views

Who discovered anisotropic materials, and what were they studying?

Thinking of properties of materials, who discovered anisotropy and what materials were they studying? I had read a claim that the first recorded experiments to study anisotropy are those by Duhamel ...
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1answer
3k views

When was double-paned glass first invented and used for insulation?

Double-paned glass windows have a hollow space between two panes of glass, usually just filled with air. This can make a much better insulator than normal glass, according to Engineering Toolbox. I ...
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1answer
141 views

How did crude oil pipelines work before WW2?

Before World War Two, how did pipelines work for crude oil? What kind of metal or plastic were they made out of? What kind of sensors and monitoring did they need? Did they have "pigs" that travel up ...
11
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1answer
319 views

When did people notice the special shapes of snowflakes, and when did they start to study them?

What was the first written account about snowflake shapes and when did physicists start to study the reasons why the form appears and how snowflakes form in the air? Is there any old book that ...
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1answer
93 views

Was metallurgy of Zinc first started in India?

I have heard many people talk about this, is there any proof available?
12
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1answer
623 views

Early history of the phase concept in the physical sciences

One of the first distinctions encountered in science education is that substances can assume different states of matter: for example, water can be found as a liquid, as a solid (ice), or as a gas (...
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2answers
1k views

To what degree did ancient Egyptians use Cement Chemistry

From a young age I have been taught that the stones used to create the great pyramids were mined. Concrete and cements were largely invented by the Romans/Greeks especially for use as mortar. More ...