Examlex
A physicist is asked to design an infrared system to detect human beings (at a normal temperature of 310 K) in darkness. What would the wavelength of peak sensitivity of the equipment need to be?
Laugh
A vocalized expression of amusement or joy, often characterized by rhythmic, audible contractions of the diaphragm and other parts of the respiratory system.
CEO
Chief Executive Officer, the highest-ranking individual in a company or organization, responsible for making major corporate decisions.
Chairman
The presiding officer or leader of an organized group, such as a board, committee, or meeting.
Secretary
An administrative position responsible for managing correspondence, keeping records, and performing general office tasks.
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