reference cone apex
11Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
12Glossary of cue sports terms — The following is a glossary of traditional English language terms used in the three overarching cue sports disciplines: carom (or carambole) billiards referring to the various carom games played on a billiard table without pockets; pool (pocket… …
13mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
14Color vision — White light shone onto a green surface is perceived as green by the human eye, and processed as such in the brain s visual cortex …
15Breast — The milk engorged breast of a pregnant woman …
16cycadophyte — ▪ plant Introduction any member of a diverse collection of mostly extinct primitive gymnospermous plants. They probably had their origins among the progymnosperms of the Devonian Period (416 to 359 million years ago), possibly among a… …
17ACOUSTIQUE - Acoustique physiologique — Nous disons que nous entendons un son lorsque des vibrations de l’air ambiant, atteignant notre tympan, le mettent en mouvement dans des conditions d’amplitude et de fréquence telles que cette stimulation mécanique, qui est transmise par… …
18Concorde (avion) — Pour les articles homonymes, voir Concorde. Concorde Un Concorde d Air France au roulage …
19MICROSCOPIE — La révolution qui consiste, à la fin du XVIe siècle, à regarder «à la loupe» non plus directement un objet, mais son image agrandie est à l’origine de la microscopie. L’étymologie (du grec mikros , petit, et skopein , examiner) renvoie à l’examen …
20Hypercone — of a spherical cone s generatrices (red), parallels (green) and hypermeridians (blue).Due to conformal property of Stereographic Projection,the curves intersect each other orthogonally (in the yellow points) as in 4D.All curves are circles or… …
