selected area diffraction
51coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… …
52Radio — is the transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of… …
53Diamond anvil cell — Schematics of the core of a diamond anvil cell. The diamond size is a few millimeters at most A diamond anvil cell (DAC) is a device used in scientific experiments. It allows compressing a small (sub millimeter sized) piece of material to extreme …
54Photonic metamaterial — Electromagnetism Electricity · …
55Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
56Photography — is the art, science and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of an image sensor or chemically by means of a light sensitive material such as photographic… …
57Drake's Plate of Brass — The so called Drake s Plate of Brass. Note the hole in the lower right. The real plate was described as displaying the queen s portrait on a sixpence coin through a hole in the plate. The so called Drake s Plate of Brass is a forgery that… …
58Neutral density filter — Neutral Density Filters are often used to achieve motion blur effects with slow shutter speeds In photography and optics, a neutral density filter or ND filter can be a colorless (clear) or grey filter. An ideal neutral density filter reduces… …
59Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… …
60Black body — As the temperature decreases, the peak of the blackbody radiation curve moves to lower intensities and longer wavelengths. The blackbody radiation graph is also compared with the classical model of Rayleigh and Jeans …
