infrared beams

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• Infrared spectroscopy — (IR spectroscopy) is the subset of spectroscopy that deals with the infrared region of the electromagnetic spectrum. It covers a range of techniques, the most common being a form of absorption spectroscopy. As with all spectroscopic techniques,… …   Wikipedia

• Infrared point sensor — A infrared point sensor is a point gas detector based on the nondispersive infrared sensor technology. PrincipleDual source and dual receivers are used for self compensation of changes in alignment, light source intensity and component efficiency …   Wikipedia

• infrared touchscreen —    The shooting of infrared light beams vertically and horizontally above the screen s surface …   IT glossary of terms, acronyms and abbreviations

• RIAS (Remote Infrared Audible Signage) — Remote Infrared Audible Signage (RIAS) was developed by [http://www.ski.org/rerc/WCrandall/introts.html Smith Kettlewell Eye Research Institute] so that print handicapped people (blindness/low vision/illiterate/foreign/visually impaired) would be …   Wikipedia

• laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …   Universalium

• MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel …   Wikipedia

• People counter — A people counter is a device used to measure the number and direction of people traversing a certain passage or entrance per time unit. The resolution of the measurement is entirely dependent on the sophistication of the technology employed. The… …   Wikipedia

• Laser tag — is a team or individual sport where players attempt to score points by engaging targets, typically with a hand held infrared emitting targeting device. Infrared sensitive targets are commonly worn by each player and are sometimes integrated… …   Wikipedia

• Road speed limit enforcement in Australia — constitutes the actions taken by the authorities to force road users to comply with the speed limits in force on Australia s roads. Speed limit enforcement equipment such as speed cameras and other technologies such as radar and LIDAR are widely… …   Wikipedia

• drag racing — See dragracer. * * * Form of motor racing in which two contestants race side by side from a standing start over a straight quarter mile strip of pavement. Winners go on to compete against others in their class until only one is left undefeated.… …   Universalium

• Mercedes-Benz W221 — For a complete overview of all S Class models, see Mercedes Benz S Class. Mercedes Benz W221 Manufacturer …   Wikipedia