Abstract: An example system includes at least two transceivers configured to be coupled to an interior of a cargo compartment of an aircraft, and to detect radio frequency identification (RFID) signals from an RFID tag coupled to baggage stored in the cargo compartment. The system also includes a processor configured to perform operations including receiving the signals detected by the transceivers. The operations also include based on runtimes of the signals, determining a respective distance from the baggage to each transceiver, where the respective distance defines a boundary centered at a known location of the transceiver and along which the baggage is estimated to be located relative to the transceiver. The operations also include identifying locations at which the boundaries of the transceivers intersect and, based on the locations, detecting an estimated storage location of the baggage. The operations also include controlling a display device to display the estimated storage location.

Abstract: Composite materials particularly suitable in the dental art as a tooth filling material including a polymer matrix, a metal, metal alloy, metal oxide particulate, or combinations thereof, in the presence or absence of colloidal silica, and a coupling agent to adhere the particulate to the polymer matrix. Adhesion can also be facilitated by cleaning and/or coating the particulates prior to incorporation into the polymer matrix. One or two paste systems of the composition with suitable initiators, accelerators, etc. can be formulated.