edge diffraction
121diffract — v.t. break up into portions. ♦ diffraction, n. breaking up of light into coloured bands when it passes through narrow opening or by edge of solid body, etc. ♦ diffraction grating, fine grating causing diffraction of light …
122Surfing — This article is about stand up ocean surfing. For other uses, see Surfing (disambiguation). A surfer performing a late drop …
123Extreme ultraviolet lithography — (also known as EUV or EUVL ) is a next generation lithography technology using the 13.5 nm EUV wavelength. EUVL opticsEUVL is a significant departure from the deep ultraviolet lithography used today. All matter absorbs EUV radiation. Hence, EUV… …
124Crystallographic restriction theorem — The crystallographic restriction theorem in its basic form was based on the observation that the rotational symmetries of a crystal are usually limited to 2 fold, 3 fold, 4 fold, and 6 fold. However, quasicrystals can occur with other symmetries …
125lepidopteran — /lep i dop teuhr euhn/, adj. 1. lepidopterous. n. 2. a lepidopterous insect. [1850 55; LEPIDOPTER(A) + AN] * * * Any of the more than 100,000 species constituting the order Lepidoptera (Greek: scaly wing ): butterflies, moths, and skippers. The… …
126photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …
127Planetshine — Saturn s moon Iapetus lit by Saturnshine. This is an enhanced picture; the Saturn light is too faint by contrast to be visible to the unaided human eye …
128Extended X-Ray Absorption Fine Structure — (EXAFS), or more simply X ray Absorption Spectroscopy (XAS), is an experimental method in physics and chemistry of determining the bonding of solids by analyzing oscillations in x ray absorption versus photon energy that are caused by… …
