bright-field microscope
121Naked eye — For other uses, see Naked eye (disambiguation). Bare eye redirects here. For the bird genus, see Bare eye. The naked eye The naked eye is a figure of speech referring to human visual perception unaided by a magnifying or light collecting optical… …
122STED microscopy — Stimulated Emission Depletion microscopy, or STED microscopy, is a technique that uses the non linear de excitation of fluorescent dyes to overcome the resolution limit imposed by diffraction with standard confocal laser scanning microscopes and… …
123Nitrogen-vacancy center — The nitrogen vacancy center (N V center) is one of numerous point defects in diamond. Its most explored and useful property is photoluminescence, which can be easily detected from an individual N V center. Electron spins at N V centers, localized …
124chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
125technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
126Oil drop experiment — Millikan s setup for the oil drop experiment The oil drop experiment was an experiment performed by Robert Millikan and Harvey Fletcher in 1909 to measure the elementary electric charge (the charge of the electron). The experiment entailed… …
127Oil-drop experiment — The purpose of Robert Millikan and Harvey Fletcher s oil drop experiment (1909) was to measure the electric charge of the electron. They did this by carefully balancing the gravitational and electric forces on tiny charged droplets of oil… …
128Potential applications of carbon nanotubes — Carbon nanotubes have many potential applications, here is a list of some of the most important:tructural*clothes: waterproof tear resistant cloth fibers *combat jackets: MIT is working on combat jackets that use carbon nanotubes as ultrastrong… …
