Abstract: A beacon system includes emitter devices, driver circuitry configured for controlling the emitter devices, and at least one processor programmed to receive and process one or more inputs and control the driver circuitry to actuate the emitter devices. In an example embodiment, the emitter devices include visible light sources that are oriented to provide omni-directional visibility for the beacon system. In an example embodiment, components of the beacon system including the emitter devices, driver circuitry and at least one processor are configured such that in a space environment heat generated by the beacon system is dissipated sufficiently well to prevent the beacon system from overheating.

Abstract: A seal for a container opening includes a seal layer for connecting to and covering an opening of the container. A pull-tab forming layer is bonded to the seal layer. The pull-tab forming layer has a heat resistant surface joined to the seal layer, and a hinge disposed near the center of the seal. A portion of the pull-tab forming layer defines a pair of opposed pull-tabs extending from the hinge, in which the heat resistant surface covers a top surface of each of the pull-tabs, a surface of the pull-tabs opposite the top surface, and a portion of the pull-tab forming layer facing the surface of the pull-tabs opposite the top surface. A method of forming the seal and a material blank for forming a plurality of the seals are also described.