| 20th-century
set theory from logic, history of Independently of Russell and Whitehead's work, and more narrowly in the German mathematical tradition of Dedekind and Cantor, in 1908 Ernst Zermelo described axioms of set theory that, slightly ...  |
| Basic
principles from solids mechanics In addressing any problem in continuum or solid mechanics, three factors must be considered: (1) the Newtonian equations of motion, in the more general form recognized by Euler, expressing ... |
| Resonance-ionization
spectroscopy from spectroscopy Resonance-ionization spectroscopy (RIS) is an extremely sensitive and highly selective analytical measurement method. It employs lasers to eject from selected types of atoms or molecules, splitting ... |
| Dislocations from solids mechanics The Italian elastician and mathematician Vito Volterra introduced in 1905 the theory of the elastostatic stress and displacement fields created by dislocating solids. This involves making a cut in a ... |
| Semantics from linguistics Bloomfield thought that semantics, or the study of meaning, was the weak point in the scientific investigation of language and would necessarily remain so until the other sciences whose task it was ... |
| The
polarity of molecules from chemical bonding There are three main properties of chemical bonds that must be considered—namely, their strength, length, and polarity. The polarity of a bond is the distribution of electrical charge over the atoms ... |
| art a visual object or experience consciously created through an expression of skill or imagination. The term art encompasses diverse media such as painting, sculpture, printmaking, drawing, decorative ... |
More Articles