Abstract: There is provided a hand rail comprising a balustrade defining a hollow tubular cavity; and plural mounting brackets for mounting said balustrade to a support surface of a building. At least one of said plural mounting brackets is provided with at least one light source for emitting guide light therefrom and wherein, a back up power supply for said at least one light source is provided within said hollow tubular cavity. The hand rail is suitable for use in providing emergency lighting for stairways and/or corridors of buildings.

Abstract: A personal nutrition system is disclosed. The system uses data collected during the purchase of food items at a grocery store or over the Internet. The system tracks the dietary purchase history of a consumer and determines rates of consumption for a variety of different nutrients. Based upon these rates of consumption and goals provided by the consumer, the system suggests changes to the diet both in terms of rates of consumption and alternative food items. Data collected by the system is optionally provided to a third party which use the data to provide highly targeted marketing and consumer incentives.

Abstract: A camera track system comprising a track (100), a camera mounted on a movable truck (102) driven by drive means (104), control means (110) for controlling movement of the truck (102) along the track (100), in which commands between the control means (110) and the truck (102) are effected by means of a flexible link (136) contained within the track (100), allowing remote control of the truck (102). The control means (110) may comprise separate controls for the camera, operated by the hands of the operator, and for the truck, operated by the feet of the operator.