Geometry, Plane, Solid, and Spherical, in Six Books
... sphere ( IV . 1. Cor . 4. ) . 2. If a sphere is cut by a plane which does not pass through the centre , the section is called a small circle of the sphere ; the radius of such a section being less than that of the sphere . A circle , it ...
A Treatise on the Circle and the Sphere
... sphere to the four when such a sphere exists , and which coincides with the given point only when the four are concurrent . Theorem 53. ] The locus of a point whose powers with regard to two given spheres have a constant ratio ...
Real-Time Collision Detection
Christer Ericson. 4.3 Spheres The sphere is another very common bounding volume , rivaling the axis - aligned ... Sphere { } ; Point c ; // Sphere center float r ; // Sphere radius At just four components , the bounding sphere is ...
Public Spheres, Public Mores, and Democracy
... sphere . Once that sphere was ( more or less ) established , however , workers and petite bourgeoisie protested against their subordi- nate place within it . Their challenges to the liberal public sphere were more effective , in that ...
New Public Spheres
... sphere) and espace public (public sphere). What I am primarily interested in are the arrangements surrounding the production of public opinion (public sphere), that is, the institutionalized arena of discursive interaction (Fraser 1990) ...
Spheres of Influence in International Relations
... sphere of influence come from? Has the concept of sphere of influence always had pejorative associations? Is there any tradition of justifying spheres of influence in international theory? Moreover is it useful to rely on the old ...
Sphere Packings
This book tries to give a full account of this fascinating subject, especially its local aspects, discrete aspects and its proof methods.
Nuclear Science Abstracts
... sphere 55808 el ( 0 ) 1.58 30 graph sphere 55P40 n scin 55W27 2.5 t - el 0.96 17 4.1 sphere 55P40 t 3.6 n scin 55-27 2.7 el ( 0 ) graph 4.1 n scin 55L31 t - fel ( 0 ) 1.5 2 n scin 55W27 3.3 t - el 0.81 20 4.4 sphere 55P40 el ( 90 ...
Complete Graded Arithmetic
... sphere whose circumference is one yard . 5. Find the volume of a sphere whose surface is 125 square feet . 6. What is the area of a sphere whose diameter is 2 feet ? 7. How many cubic feet are there in a sphere whose sur- face is 30 ...
Proceedings of the Royal Society of London
... sphere of radius a , possessing a charge e is placed is a uniform field of electrical force F , and initially constraints exist which keep the sphere at rest with a uniform surface density . The constraints then cease to act , and we ...
The Electric Journal
... Sphere when Positive • Current to Lower Sphere when Negative + Current to Upper Sphere when Negative Current to Lower Sphere when Positive Lower 3000 Sphere Current d Upper Sphere Current 2000 1000 500 10 200 400 201 Cm . 30 40 50 60 ...
Elementary Treatise on Electricity and Magnetism
George Carey Foster, Edmund Atkinson. § 26. ] Sphere in Uniform Field . 37 ducting particles taking place through the intervening imperfectly insulating medium . 26. Conducting Sphere in a Uniform Field . - In the case of a conducting ...
Linear Perspective Projection, &c
... SPHERE . The visual rays from the eye of the spectator tangential to a sphere touch the sphere in a circle . The perspective of a sphere is obtained by drawing the perspective projection of this circle of contact . An artist usually ...
Hafed, prince of Persia: his experiences, being spirit communications received through D. Duguid, with an appendix [compiled by H. Nisbet].
... sphere - a condition , as we have been told , of happiness , light , and love , will you favour us with some account of the character and pursuits of the dwellers in the Third , Fourth , and Fifth spheres , taking them up one by one ...
Spherical trigonometry
... sphere is a solid bounded by a spherical surface . The surface of a sphere can be generated by the revolution of a semicircle about its diameter . A radius of a ... sphere and its plane sections Great and small circles on a sphere.
Journal of the Optical Society of America
... SPHERE PHOTOMETER Leeds & Northrup Company Philadelphia , Pa . The Ulbricht integrating sphere in a single measurement gives a measure of the mean spherical candle power of a source which by definition is the total light flux divided by ...
American Journal of Mathematics
... sphere of radius p , then , as before , we denote the oscillation of the function within this sphere by k and the limit of the oscillation as p approaches zero by k ' . If now I is some positive number greater than k ' , then it is ...
Handbook for Machine Shop and Drafting Room
Sphere . Examples of the Use of the Formulas Find the volume and surface of a sphere 6.5 inches in diameter . V = 0.5236 d3 = 0.5236 × 6.53 = 0.5236 × 6.5 × 6.5 × 6.5 = 143.79 cubic inches . A = 3.1416 d2 = 3.1416 X 6.52 = 3.1416 X 6.5 ...
Crystallography
... sphere . A sphere of arbitrary radius termed the Sphere of Projection is supposed to be described round any point within the system taken as its centre and as the origin of a system of centro - normals , or briefly of normals ...
Elementary Geometrical Optics
... sphere 2.5 cm . in diameter , for which μ = 1.5 . Find the positions of the image of an object whose distance from the surface of the sphere is ( 1 ) 5 cm . , ( 2 ) 625 cm . , ( 3 ) 1 cm . Also find the linear magnification in each case ...