blackbody spectrum
111James Hopwood Jeans — Infobox Scientist name = James Hopwood Jeans box width = image width = 240px caption = giving the 1933 Royal Institution Christmas Lectures birth date = birth date|1877|09|11 birth place = Ormskirk, Lancashire, England death date = death date and …
112Antimatter weapon — An antimatter weapon is a hypothetical device using antimatter as a power source, a propellant, or an explosive for a weapon. Antimatter weapons do not currently exist outside fiction (such as Star Trek s photon torpedo). The United States Air… …
113Sun unit — The sun unit (abbreviated SU) is a measure of sun intensity weighted for skin damage related to the UV index. Basics of solar radiation Solar radiation sustains life on earth and determines climate. The energy flow within the sun results in a… …
114Colored fire — is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, yellow, or white, and is dominated by blackbody radiation from soot and steam. When… …
115Leigh Page — Infobox Scientist name = Leigh Page image width = caption = birth date = birth date|1884|10|13 birth place = New Jersey, USA death date = death date and age |1952|9|14|1884|10|13 death place = New Haven, Connecticut, USA nationality = USA field …
116Field of view (image processing) — The field of view of an imaging sensor or imaging system is defined as the maximum vertical and horizontal angular extent viewed by the sensor or system. Optical tests for measuring the FOV are versatile tests capable of measuring the FOV of UV,… …
117photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …
118physics — /fiz iks/, n. (used with a sing. v.) the science that deals with matter, energy, motion, and force. [1580 90; see PHYSIC, ICS] * * * I Science that deals with the structure of matter and the interactions between the fundamental constituents of… …
119plasma — plasmatic /plaz mat ik/, plasmic, adj. /plaz meuh/, n. 1. Anat., Physiol. the liquid part of blood or lymph, as distinguished from the suspended elements. 2. Cell Biol. cytoplasm. 3. whey. 4. a green, faintly translucent chalcedony. 5. Physics. a …
120thermal radiation — Thermodynam. electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles. [1930 35] * * * Process by which energy is emitted by a warm surface. The energy is… …
