energies *above* the photon energy :math:`\\varepsilon`, because only electrons with :math:`E \\ge \\varepsilon` can radiate at that photon energy.

# you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 ...

Modern biomedicine increasingly relies on enormous amounts of image data. Although computers can do part of the analysis work, biologists often still need to look through the images themselves. This ...

BULLETINS recently issued by Messrs. Adam Hilger, Ltd., give particulars of recent advances in methods of spectrographic analysis and in apparatus. The first, No. 168, describes a method of analysis ...