Abstract: A digital audio radio system that employs transmitting multiple time-separated versions or legs of the same or substantially the same source signal to accommodate signal blockage problems while using no or little additional bit data rate. In one embodiment, a first leg transmits only right channel data and a second leg transmits only left channel data when no blockage occurs, the two legs can be combined to provide a complete signal and perfect reception. If one of the legs is blocked, then a cloning technique is used to clone the existing channel as the non-existing channel to provide either a combination of two right channels or two left channels. In another embodiment, a first leg transmits a sequence of the even frames including both right and left channel data and leaves the odd frames blank, and a second leg transmits a sequence of the odd frames including both the right and left channel data and leaves the even frames blank.

Abstract: In a system wherein a fluid exhibits a regressive vapor dome in a T-S diagram, the following are provided:(a) a two-phase nozzle receiving the fluid in pressurized and heated liquid state and expanding the received liquid into saturated or superheated vapor state, and(b) apparatus receiving the saturated or superheated vapor to convert the kinetic energy thereof into power.