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[[Category:Refractory materials]] [[Category:Superhard materials]] ...

...th to weight ratio issues, Akhmeteli and Gavrilin addressed choice of four materials, specifically I220H [[beryllium]] (elemental 99%), [[boron carbide]] cerami ...ip is equal to the weight of the air it displaces, minus the weight of the materials used in its construction, including the gas used to fill the bag. ...

...ics]], its sub-disciplines, and related fields, including [[mechanics]], [[materials science]], [[nuclear physics]], [[particle physics]], and [[thermodynamics] ...to [[bending|bend]].<ref>Gere, J.M.; Timoshenko, S.P. (1996), Mechanics of Materials:Forth edition, Nelson Engineering, {{ISBN|0534934293}}</ref><ref>Beer, F.; ...

...otion of their outer atomic electrons. Magnetic fields surround magnetized materials, and are created by electric currents such as those used in [[electromagnet ...[[electromagnetism]]. The most familiar effects occur in [[ferromagnetic]] materials, which are strongly attracted by magnetic fields and can be [[magnetization ...