Method, machine, manufacture, composition of matter, article, and improvements thereto, with particular regard to chemically heated hot emitter electric generators, and support thereof. Illustratively, there can be a machine including: a first computer system including a digital computer operably associated with an input device, a memory, and an output device, the computer programmed to carry out operations including: receiving, as information input at said input device, input representing chemically heated hot emitter electromagnetic emissions; computing, from said input, output that can be used for, or to facilitate, operation of chemically heated hot emitter generators.