121 relations: Absorbance, Airport security, Amateur radio, Argonne National Laboratory, Atacama Large Millimeter Array, Atmosphere of Earth, Backward-wave oscillator, Band gap, Biochemistry, Black-body radiation, BLAST (telescope), Bremsstrahlung, Caltech Submillimeter Observatory, Ceramic, Characterization (materials science), Chemistry, Cloud, Coherence (physics), Concealment device, Council for the Central Laboratory of the Research Councils, Density, Dentistry, DNA, Electrical breakdown, Electromagnetic field, Electromagnetic induction, Electromagnetic radiation, Electromagnetic spectrum, Electron paramagnetic resonance, Electronics Letters, Energy, Epithelium, European Space Agency, ExtremeTech, Far-infrared laser, Fog, Fraunhofer diffraction, Free-electron laser, Frequency, Frequency counter, Full body scanner, Gaussian beam, Gaussian function, Gene expression, Georgia Institute of Technology, Gigabit, Graphene antenna, Gyrotron, Heinrich Hertz Submillimeter Telescope, Herschel Space Observatory, ..., Hertz, Heterojunction bipolar transistor, High-electron-mobility transistor, Infrared, Insulator (electricity), International Telecommunication Union, Interstellar medium, Ionizing radiation, James Clerk Maxwell Telescope, Josephson effect, Kelvin, Larmor precession, Laser, Line-of-sight propagation, Manufacturing, Manufacturing process management, Masonry, Massachusetts Institute of Technology, Mauna Kea Observatories, Metre, Micro-, Microwave, MIT Technology Review, Modulation, Mount Graham International Observatory, National High Magnetic Field Laboratory, New York City Police Department, Non-ionizing radiation, Nonlinear resonance, Optical rectification, Packaging and labeling, Paperboard, Photo–Dember effect, Photomixing, Photon energy, Physics Letters, Picarin, Polytechnic University of Catalonia, Proof of concept, Quality control, Quantum cascade laser, Radio spectrum, Radiocommunication service, Resonant-tunneling diode, Rutherford Appleton Laboratory, Satellite, Scanning acoustic microscope, Schottky diode, Skin, Spectroscopy, Starburst galaxy, Submillimeter Array, Submillimetre astronomy, Surveillance, Synchrotron radiation, Terahertz gap, Terahertz time-domain spectroscopy, Tesla (unit), Tissue (biology), Tokyo Institute of Technology, Tomography, Tooth, Triboelectric effect, University of Tsukuba, Varicap, Wavelength, Weapon, Wireless, Wireless network, X-ray, 3D reconstruction. Expand index (71 more) »
Absorbance
In chemistry, absorbance or decadic absorbance is the common logarithm of the ratio of incident to transmitted radiant power through a material, and spectral absorbance or spectral decadic absorbance is the common logarithm of the ratio of incident to transmitted spectral radiant power through a material.
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Airport security
Airport security refers to the techniques and methods used in an attempt to protect passengers, staff and planes which use the airports from accidental/malicious harm, crime and other threats.
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Amateur radio
Amateur radio, also known as ham radio, describes the use of radio frequency spectrum for purposes of non-commercial exchange of messages, wireless experimentation, self-training, private recreation, radiosport, contesting, and emergency communication.
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Argonne National Laboratory
Argonne National Laboratory is a science and engineering research national laboratory operated by the University of Chicago Argonne LLC for the United States Department of Energy located near Lemont, Illinois, outside Chicago.
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Atacama Large Millimeter Array
The Atacama Large Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of radio telescopes in the Atacama Desert of northern Chile.
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Atmosphere of Earth
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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Backward-wave oscillator
A backward wave oscillator (BWO), also called carcinotron (a trade name for tubes manufactured by CSF, now Thales) or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz range.
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Band gap
In solid-state physics, a band gap, also called an energy gap or bandgap, is an energy range in a solid where no electron states can exist.
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Biochemistry
Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms.
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Black-body radiation
Black-body radiation is the thermal electromagnetic radiation within or surrounding a body in thermodynamic equilibrium with its environment, or emitted by a black body (an opaque and non-reflective body).
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BLAST (telescope)
The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) is a submillimeter telescope that hangs from a high-altitude balloon.
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Bremsstrahlung
Bremsstrahlung, from bremsen "to brake" and Strahlung "radiation"; i.e., "braking radiation" or "deceleration radiation", is electromagnetic radiation produced by the deceleration of a charged particle when deflected by another charged particle, typically an electron by an atomic nucleus.
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Caltech Submillimeter Observatory
The Caltech Submillimeter Observatory (CSO) is a 10.4-meter (34 ft) diameter submillimeter wavelength telescope situated alongside the 15-meter (49 ft) James Clerk Maxwell Telescope (JCMT) at Mauna Kea Observatories.
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Ceramic
A ceramic is a non-metallic solid material comprising an inorganic compound of metal, non-metal or metalloid atoms primarily held in ionic and covalent bonds.
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Characterization (materials science)
Characterization, when used in materials science, refers to the broad and general process by which a material's structure and properties are probed and measured.
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Chemistry
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
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Cloud
In meteorology, a cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body.
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Coherence (physics)
In physics, two wave sources are perfectly coherent if they have a constant phase difference and the same frequency, and the same waveform.
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Concealment device
Concealment devices or diversion safes are used to hide things for the purpose of secrecy or security.
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Council for the Central Laboratory of the Research Councils
The Council for the Central Laboratory of the Research Councils (CCLRC) was a UK government body that carried out civil research in science and engineering.
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Density
The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
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Dentistry
Dentistry is a branch of medicine that consists of the study, diagnosis, prevention, and treatment of diseases, disorders, and conditions of the oral cavity, commonly in the dentition but also the oral mucosa, and of adjacent and related structures and tissues, particularly in the maxillofacial (jaw and facial) area.
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DNA
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
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Electrical breakdown
Electrical breakdown or dielectric breakdown is when current flows through an electrical insulator when the voltage applied across it exceeds the breakdown voltage.
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Electromagnetic field
An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects.
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Electromagnetic induction
Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.
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Electromagnetic radiation
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
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Electromagnetic spectrum
The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.
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Electron paramagnetic resonance
Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials with unpaired electrons.
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Electronics Letters
Electronics Letters is a peer-reviewed scientific journal published biweekly by the Institution of Engineering and Technology.
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Energy
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
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Epithelium
Epithelium is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue.
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European Space Agency
The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.
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ExtremeTech
ExtremeTech is a technology weblog about hardware, computer software, science and other technologies which launched in May 2001.
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Far-infrared laser
Far-infrared laser or terahertz laser (FIR laser, THz laser) is a laser with output wavelength in between 30-1000 µm (frequency 0.3-10 THz), in the far infrared or terahertz frequency band of the electromagnetic spectrum.
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Fog
Fog is a visible aerosol consisting of minute water droplets or ice crystals suspended in the air at or near the Earth's surface.
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Fraunhofer diffraction
In optics, the Fraunhofer diffraction equation is used to model the diffraction of waves when the diffraction pattern is viewed at a long distance from the diffracting object, and also when it is viewed at the focal plane of an imaging lens.
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Free-electron laser
A free-electron laser (FEL) is a kind of laser whose lasing medium consists of very-high-speed electrons moving freely through a magnetic structure, hence the term free electron.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Frequency counter
A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency.
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Full body scanner
A full-body scanner is a device that detects objects on a person's body for security screening purposes, without physically removing clothes or making physical contact.
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Gaussian beam
In optics, a Gaussian beam is a beam of monochromatic electromagnetic radiation whose transverse magnetic and electric field amplitude profiles are given by the Gaussian function; this also implies a Gaussian intensity (irradiance) profile.
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Gaussian function
In mathematics, a Gaussian function, often simply referred to as a Gaussian, is a function of the form: for arbitrary real constants, and.
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Gene expression
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product.
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Georgia Institute of Technology
The Georgia Institute of Technology, commonly referred to as Georgia Tech, is a public research university and institute of technology in Atlanta, Georgia.
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Gigabit
The gigabit is a multiple of the unit bit for digital information or computer storage.
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Graphene antenna
A graphene antenna is a proposed high-frequency antenna based on graphene, a one atom thick two dimensional carbon crystal, that would enhance radio communications.
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Gyrotron
A gyrotron is a high-power linear-beam vacuum tube which generates millimeter-wave electromagnetic waves by the cyclotron resonance of electrons in a strong magnetic field.
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Heinrich Hertz Submillimeter Telescope
The Submillimeter Telescope (SMT), formerly known as the Heinrich Hertz Submillimeter Telescope, is a submillimeter wavelength radio telescope located on Mount Graham, Arizona.
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Herschel Space Observatory
The Herschel Space Observatory was a space observatory built and operated by the European Space Agency (ESA).
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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Heterojunction bipolar transistor
The heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) which uses differing semiconductor materials for the emitter and base regions, creating a heterojunction.
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High-electron-mobility transistor
A High-electron-mobility transistor (HEMT), also known as heterostructure FET (HFET) or modulation-doped FET (MODFET), is a field-effect transistor incorporating a junction between two materials with different band gaps (i.e. a heterojunction) as the channel instead of a doped region (as is generally the case for MOSFET).
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Infrared
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
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Insulator (electricity)
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
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International Telecommunication Union
The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.
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Interstellar medium
In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.
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Ionizing radiation
Ionizing radiation (ionising radiation) is radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.
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James Clerk Maxwell Telescope
The James Clerk Maxwell Telescope (JCMT) is a submillimetre-wavelength telescope at Mauna Kea Observatory in Hawaii.
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Josephson effect
The Josephson effect is the phenomenon of supercurrent—i.e. a current that flows indefinitely long without any voltage applied—across a device known as a Josephson junction (JJ), which consists of two superconductors coupled by a weak link.
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Kelvin
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
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Larmor precession
In physics, Larmor precession (named after Joseph Larmor) is the precession of the magnetic moment of an object about an external magnetic field.
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Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
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Line-of-sight propagation
Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves travel in a direct path from the source to the receiver.
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Manufacturing
Manufacturing is the production of merchandise for use or sale using labour and machines, tools, chemical and biological processing, or formulation.
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Manufacturing process management
Manufacturing process management (MPM) is a collection of technologies and methods used to define how products are to be manufactured.
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Masonry
Masonry is the building of structures from individual units, which are often laid in and bound together by mortar; the term masonry can also refer to the units themselves.
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Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a private research university located in Cambridge, Massachusetts, United States.
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Mauna Kea Observatories
The Mauna Kea Observatories (MKO) are a number of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on the Big Island of Hawaiʻi, United States.
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Metre
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
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Micro-
Micro- (symbol µ) is a unit prefix in the metric system denoting a factor of 10−6 (one millionth).
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Microwave
Microwaves are a form of electromagnetic radiation with wavelengths ranging from one meter to one millimeter; with frequencies between and.
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MIT Technology Review
MIT Technology Review is a magazine published by the Massachusetts Institute of Technology.
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Modulation
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.
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Mount Graham International Observatory
Mount Graham International Observatory (MGIO) is a division of Steward Observatory, the research arm for the Department of Astronomy at The University of Arizona, in the United States.
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National High Magnetic Field Laboratory
The National High Magnetic Field Laboratory (MagLab) is a facility at Florida State University, the University of Florida, and Los Alamos National Laboratory in New Mexico, that performs magnetic field research in physics, biology, bioengineering, chemistry, geochemistry, biochemistry.
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New York City Police Department
The City of New York Police Department, commonly known as the NYPD, is the primary law enforcement and investigation agency within the five boroughs of New York City.
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Non-ionizing radiation
Non-ionizing (or non-ionising) radiation refers to any type of electromagnetic radiation that does not carry enough energy per quantum (photon energy) to ionize atoms or molecules—that is, to completely remove an electron from an atom or molecule.
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Nonlinear resonance
In physics, nonlinear resonance is the occurrence of resonance in a nonlinear system.
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Optical rectification
Electro-optic rectification (EOR), also referred to as optical rectification, is a non-linear optical process that consists of the generation of a quasi-DC polarization in a non-linear medium at the passage of an intense optical beam.
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Packaging and labeling
Packaging is the science, art and technology of enclosing or protecting products for distribution, storage, sale, and use.
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Paperboard
Paperboard is a thick paper-based material.
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Photo–Dember effect
In semiconductor physics, the photo–Dember effect (named after its discoverer Harry Dember) is the formation of a charge dipole in the vicinity of a semiconductor surface after ultra-fast photo-generation of charge carriers.
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Photomixing
Photomixing is the generation of continuous wave terahertz radiation from two lasers.
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Photon energy
Photon energy is the energy carried by a single photon.
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Physics Letters
Physics Letters was a scientific journal published from 1962 to 1966, when it split in two series now published by Elsevier.
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Picarin
Picarin is a plastic used to make optics such as lenses for terahertz radiation (THz radiation).
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Polytechnic University of Catalonia
Polytechnic University of Catalonia (Universitat Politècnica de Catalunya, UPC), currently referred to as BarcelonaTech and commonly named just as UPC, is the largest engineering university in Catalonia, Spain.
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Proof of concept
Proof of concept (PoC) is a realization of a certain method or idea in order to demonstrate its feasibility, or a demonstration in principle with the aim of verifying that some concept or theory has practical potential.
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Quality control
Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production.
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Quantum cascade laser
Quantum cascade lasers (QCLs) are semiconductor lasers that emit in the mid- to far-infrared portion of the electromagnetic spectrum and were first demonstrated by Jerome Faist, Federico Capasso, Deborah Sivco, Carlo Sirtori, Albert Hutchinson, and Alfred Cho at Bell Laboratories in 1994.
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Radio spectrum
The radio spectrum is the part of the electromagnetic spectrum with frequencies from 3 Hz to 3 000 GHz (3 THz).
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Radiocommunication service
Radiocommunication service is according to Article 1.19 of the International Telecommunication Union´s (ITU)RR, defined as “a service…involving the transmission, emission and/or reception of radio waves for specific telecommunication purposes”.
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Resonant-tunneling diode
A resonant-tunneling diode (RTD) is a diode with a resonant-tunneling structure in which electrons can tunnel through some resonant states at certain energy levels.
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Rutherford Appleton Laboratory
The Rutherford Appleton Laboratory (RAL) is one of the national scientific research laboratories in the UK operated by the Science and Technology Facilities Council (STFC).
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Satellite
In the context of spaceflight, a satellite is an artificial object which has been intentionally placed into orbit.
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Scanning acoustic microscope
A scanning acoustic microscope (SAM) is a device which uses focused sound to investigate, measure, or image an object (a process called scanning acoustic tomography).
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Schottky diode
The Schottky diode (named after the German physicist Walter H. Schottky), also known as Schottky barrier diode or hot-carrier diode, is a semiconductor diode formed by the junction of a semiconductor with a metal.
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Skin
Skin is the soft outer tissue covering vertebrates.
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Spectroscopy
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
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Starburst galaxy
A starburst galaxy is a galaxy undergoing an exceptionally high rate of star formation, as compared to the long-term average rate of star formation in the galaxy or the star formation rate observed in most other galaxies.
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Submillimeter Array
The Submillimeter Array (SMA) consists of eight diameter radio telescopes arranged as an interferometer for submillimeter wavelength observations.
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Submillimetre astronomy
Submillimetre astronomy or submillimeter astronomy (see spelling differences) is the branch of observational astronomy that is conducted at submillimetre wavelengths (i.e., terahertz radiation) of the electromagnetic spectrum.
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Surveillance
Surveillance is the monitoring of behavior, activities, or other changing information for the purpose of influencing, managing, directing, or protecting people.
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Synchrotron radiation
Synchrotron radiation (also known as magnetobremsstrahlung radiation) is the electromagnetic radiation emitted when charged particles are accelerated radially, i.e., when they are subject to an acceleration perpendicular to their velocity.
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Terahertz gap
The terahertz gap is an engineering term for a band of frequencies in the terahertz region of the electromagnetic spectrum between radio waves and infrared light for which practical technologies for generating and detecting the radiation do not exist.
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Terahertz time-domain spectroscopy
In physics, terahertz time-domain spectroscopy (THz-TDS) is a spectroscopic technique in which the properties of matter are probed with short pulses of terahertz radiation.
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Tesla (unit)
The tesla (symbol T) is a derived unit of magnetic flux density (informally, magnetic field strength) in the International System of Units.
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Tissue (biology)
In biology, tissue is a cellular organizational level between cells and a complete organ.
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Tokyo Institute of Technology
is a national research university located in Greater Tokyo Area, Japan.
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Tomography
Tomography is imaging by sections or sectioning, through the use of any kind of penetrating wave.
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Tooth
A tooth (plural teeth) is a hard, calcified structure found in the jaws (or mouths) of many vertebrates and used to break down food.
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Triboelectric effect
The triboelectric effect (also known as triboelectric charging) is a type of contact electrification on which certain materials become electrically charged after they come into frictional contact with a different material.
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University of Tsukuba
, one of the oldest national universities (established by Japanese Government) and one of the most comprehensive research universities in Japan, is in the city of Tsukuba (known as Tsukuba Science City), Ibaraki Prefecture in the Kantō region of Japan.
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Varicap
In electronics, a varicap diode, varactor diode, variable capacitance diode, variable reactance diode or tuning diode is a type of diode designed to exploit the voltage-dependent capacitance of a reversed-biased p–n junction.
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Wavelength
In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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Weapon
A weapon, arm or armament is any device used with intent to inflict damage or harm.
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Wireless
Wireless communication, or sometimes simply wireless, is the transfer of information or power between two or more points that are not connected by an electrical conductor.
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Wireless network
A wireless network is a computer network that uses wireless data connections between network nodes.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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3D reconstruction
In computer vision and computer graphics, 3D reconstruction is the process of capturing the shape and appearance of real objects.
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References
[1] https://en.wikipedia.org/wiki/Terahertz_radiation