An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The dichalcogenide thermoelectric material has a structure of Formula 1 below:RX2-aYa\u2003\u2003Formula 1wherein R is a rare earth or transition metal magnetic element, X and Y are each independently an element selected from the group consisting of S, Se, Te, P, As, Sb, Bi, C, Si, Ge, Sn, B, Al, Ga, In, and a combination thereof, and 0\u2266a<2. In addition, one embodiment of the present invention employs arcuate end compartments that are adapted to hold a non-compressible fluid that aids in the reaction of internal pressure loads generated by the electrochemical reaction. The sound transducers are repositioned at another mutual distance x0+xd+\u0394x, and the sound transit time t2 between the sound transducers is measured. This information can be about the network topology of the communication system, about capabilities of a device in the communication system, about available bandwidth on the bus, or about the strength of a level of attachment between a mobile device and a base station device in the to communication system. 05 nm or more to 4 nm or less in diameter as chief construction.