About 12 years ago I stumbled into a public lecture by an innovative Belfast manufacturing company called Andor, who had developed very clever (and expensive) infrared cameras, primarily for looking at stars. As part of the presentation touched on hydrogen fusion and the dire consequences of running out of hydrogen, and as an industrial engineer 1 suppose I remembered it. A couple of years later we had a problem with filling drinks dispense CO2-nitrogen mixture cylinders at low temperatures. I stumbled upon a Calex Electronics infrared thermometer and this short article relays here what happened next.
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