The Black and White Hologram

the black hole and the white dwarf

astrophysics is becoming now an integral part of general physics. considering the black hole theory ,which is a new and exciting branch of relativistic astrophysics, we see many connections between elementary particle physics and astrophysics. in this article we attempt to explain the development of star physics ,in an easy ,understandable manner. previous knowledge of relativistic theory or cl...

Integral holography: white-light single-shot hologram acquisition.

A new method for obtaining digital Fourier holograms, under spatially incoherent white-light illumination and in a single camera shot, is presented. Multiple projections of the 3-D scene are created in the image plane of a microlens array, and a digital camera acquires the entire projections in a single shot. Then, each projection is computer processed to yield a single point in a Fourier holog...

A black hole hologram in de Sitter space

In this paper we show that the entropy of de Sitter space with a black hole in arbitrary dimension can be understood using a modified Cardy-Verlinde entropy formula. We also comment on the observer dependence of the de Sitter entropy and make a conjecture about the form of the conformal anomaly in arbitrary dimension.

Large Black Circle Black Pentagon Large Black Square Large White Square Small Black Diamond Small White Diamond Small Black Lozenge Small White Lozenge Small White Arabic Star

These ruminations are based on based on UTR 25 (Unicode and Mathematics), revision 7, section 2.11 (Geometric Shapes) in particular. The conclusions are-(i) a plea for more consistency when naming characters; (ii) a request that characters based on abstract shapes should have some indicator of the size of the character relative to the rest of the font; (iii) that the code chart entry for U+2023...

Black and White and Colour