When light shines on matter, it may be transmitted (as with a glass of water), refracted and scattered (as with dust particles in the air at sunset), reflected (as with the chrome trim of an automobile), or absorbed (as with exposed skin at the beach)....

In optics, the Beer-Lambert law, also known as Beer's law or the Lambert-Beer law or the Beer-Lambert-Bouguer law (in fact, most of the permutations of these three names appear somewhere in literature) is an empirical relationship that relates the...

ABSTRACT We report infrared microspectral features of nuclei in a completely inactive and contracted (pyknotic) state, and of nuclei of actively dividing cells. For pyknotic nuclei, the very high local concentration of DNA leads to opaqueness of the chromatin and, consequently, the absence...

The law, in all its majesty By FOSTER Wednesday, December 6, 2000 Al Gore and his lawyers are gearing up for another courtroom tussle, this one a last-ditch attempt to persuade the Florida Supreme Court to rescue a faltering presidential campaign...