POROSITY
Porosity is a measure of the void spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including pharmaceutics, ceramics, metallurgy, materials, manufacturing, earth sciences and construction.
Used in geology, hydrogeology, soil science, and building science, the porosity of a porous medium (such as rock or sediment) describes the fraction of void space in the material, where the void may contain, for example, air or water.
1. The condition of being porous.
2. The ratio of the volume of all the pores in a material to thevolume of the whole.
MACHINIMA
Machinima (pronounced /məˈʃiːnɨmə/ or /məˈʃɪnɨmə/) is the use of real-time graphics rendering engines (a game engine), mostly three-dimensional (3-D), to generate computer animation. The term also refers to works that incorporate this animation technique.
Machinima has advantages and disadvantages when compared to other styles of filmmaking. Its relative simplicity over traditional frame-based animation limits control and range of expression. Its real-time nature favors speed, cost saving, and flexibility over the higher quality of pre-rendered computer animation. Virtual acting is less expensive, dangerous, and physically restricted than live action. Machinima can be filmed by relying on in-game artificial intelligence (AI) or by controlling characters and cameras through digital puppetry.
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