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sensor – n. a device that detects or senses heat, light, sound, motion and then reacts to it in a particular way
perspiration – n. clear liquid that forms on skin when a person is hot or nervous
passive – adj. something that happens without specific action being taken
visual – adj. related to seeing
quantitative – adj. relating to how much there is of something
stimulus – n. something that causes something else to happen
algorithm – n. set of steps that are followed in order to solve a mathematical problem or to complete a computer process
enhancement – n. an improvement in something
detection – n. the act of identifying the presence of something
data – n. facts, numbers and other information
