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Eye tracking device is a tool created to help measure eye and head movements. The first devices for tracking eye movement took two main forms: those that relied on a mechanical connection between participant and recording instrument, and those in which light or some other form of electromagnetic energy was directed at the participant's eyes and its reflection measured and recorded.
Meaning Origin language and etymology Example(s) a-, an-not, without (alpha privative) Greek ἀ-/ἀν-(a-/an-), not, without analgesic, apathy, anencephaly: ab-from; away from Latin abduction, abdomen: abdomin-of or relating to the abdomen: Latin abdōmen, abdomen, fat around the belly abdomen, abdominal -ac: pertaining to; one afflicted with
Projectional radiography, also known as conventional radiography, [ 1] is a form of radiography and medical imaging that produces two-dimensional images by X-ray radiation. The image acquisition is generally performed by radiographers, and the images are often examined by radiologists. Both the procedure and any resultant images are often ...
Ray (optics) Rays and wavefronts. In optics, a ray is an idealized geometrical model of light or other electromagnetic radiation, obtained by choosing a curve that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow. [ 1][ 2] Rays are used to model the propagation of light through an optical ...
"Heart of Glass" is a song by the American new wave band Blondie, written by singer Debbie Harry and guitarist Chris Stein. It was featured on the band's third studio album, Parallel Lines (1978), and was released as the album's third single in January 1979 and reached number one on the charts in several countries, including the United States and the United Kingdom.
Optical coherence tomography. A high-resolution spectral-domain OCT scan (3×3 mm) of a dry age-related macular degeneration eye showing geographic atrophy and drusen in macula on both cross-sectional and en face fly-through. Optical coherence tomography ( OCT) is an imaging technique that uses interferometry with short- coherence-length light ...
We hear Alan cutting from one song to another, ripping on each previous song. Jackass Presents: Bad Grandpa: Behind the scenes and outtakes are shown throughout the credits. Identity Thief: At the very end of the credits, we hear the gas station cashier say that Sandy is a girl’s name, and Sandy says it’s a unisex name. Saving Mr. Banks
An Iranian art related to verse of evil eye. The Verse of Evil Eye ( Arabic: آیه وَإِن يَكَادُ) is verses 51 and 52 of Al-Qalam ( Q68:51-52) in the Quran. It is usually recited for protection from the evil eye. It states: "And indeed, those who disbelieve would almost make you slip with their eyes when they hear the message, and ...