Abstract: The invention provides a method and an apparatus to monitor a person's vital signs such as, for example, heart rate and blood oxygen level, using non-invasive optical sensors. The invention provides an optical sensor for integration to sports equipment, the sensor comprising: a lighting system for mounting to the sports equipment, the lighting system for providing a light intensity for scattering by a user's skin; and a detection system for mounting to the sports equipment, for detecting the scattered light and for providing a corresponding signal, the corresponding signal being associated to a vital sign of the user. Advantageously, the optical sensor comprises a plurality of near-infrared sources, of red sources and of detectors that are distributed on a surface so as to form a sensing array. Advantageously, the optical sensor is integrated to the handle of sports equipment.

Abstract: A new Plastic Fencing for providing an easily installable modular fence system. The inventive device includes at least one corner post having at least one pair of corner post recesses formed therein, at least one intermediate post having at least one pair of intermediate post recesses formed therein, at least one end post having at least one end post recess formed therein, and a plurality of rails for horizontally spanning a plurality of distances between the corner posts, intermediate posts and end posts, the rails being removably attachable to the corner post recesses, intermediate post recesses and end post recesses. A picket fence system is also provided having picket slats removably attachable to picket rails.