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A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...
Conventionally generated and sourced electricity remains the most used source for landscape lighting in the early twenty-first century. With the combination of increasing demand for more efficient lighting, increasing availability of sustainable designs, global warming considerations, and aesthetic and safety concerns in garden and landscape design the methods and equipment of outdoor ...
A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.
A HAWK beacon (high-intensity activated crosswalk beacon) is a traffic control device used to stop road traffic and allow pedestrians to cross safely. It is officially known as a pedestrian hybrid beacon .
Various types of patio lighting with no holiday theme are also made for summertime. These are often clear white lights, but most are ornament sets, such as lanterns made of metal or bamboo, or plastic ornaments in the shape of barbecue condiments, flamingos and palm trees, or even various beers.
The phenomenon of human sensitivity to biological motion was first documented by Swedish perceptual psychologist, Gunnar Johansson, in 1973. [1] He is best known for his experiments that used point light displays (PLDs). Johansson attached light bulbs to body parts and joints of actors performing various actions in the dark.
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