Abstract: A method can include, based on a context of a wearable device, periodically capturing and storing, by the wearable device, multiple images, the multiple images being stored in a buffer included in the wearable device, periodically erasing a least-valuable image, from among the multiple images, from the buffer, receiving a request to view the multiple images stored in the buffer, and in response to the request to view the multiple images stored in the buffer, outputting the multiple images stored in the buffer.

Abstract: An aircraft external lighting system and method is applicable to aircraft position, navigation and strobe lights. The lighting system includes a light source, a cylindrical lens adjacent the light source, and a lenticular lens between the light source and the cylindrical lens.