It is also said that jobs in low-clearance security and materials handling are available. During the tram ride into the Black Mesa Facility that opens Half-Life, an announcement on the public address system states that the facility is seeking employees with backgrounds in theoretical physics, biotechnology, and various other high-tech scientific disciplines. A large amount of classified research is carried out, including the development of high-tech weapons and defense systems, research into extra-dimensional travel, teleportation, and the study of Xen. In addition to this legitimate research, several secret projects are also carried out at Black Mesa, which are deliberately left vague. The research is mostly conducted in the Black Mesa Research Facility and includes both pure research and applied science.

Black Mesa undertakes research in various fields from standard scientific research to radiation, rocketry, theoretical physics, lasers, experimental propulsion, hydraulics, robotics, hydroelectricity, genetics, zoology, applied mathematics, and a very wide spectrum of research into chemistry and all manner of physics research.

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