There are many more examples. Note that measuring each of these properties will not alter the basic nature of the substance. Examples of chemical properties are: heat of combustion, reactivity with water, PH, and electromotive force.
Mathematical fonts. In mathematical mode you can change the typefaces of the fonts when needed. For instance, it's customary to represent real numbers with a blackboard bold font, or topological spaces with calligraphic font. This article shows several fonts in math mode.
About this font family. The Bing family is an experimental series of type designs inspired by classic movie marquees and contemporary fabricated signage. The Bing family consists of a multiple contour Inline, a single contour monoline Script derived from the Inline interior, and a single contour Black derived from the Inline exterior. All Bing fonts can be specified independently at medium and larger point sizes, or all three may complement one another as a type system.