Astronomers have a favorite saying that if a picture is worth a thousand words, then a spectrum is worth a thousand pictures. A spectrum is measured by the scientific technique known as spectroscopy, and unless you’re already familiar with the term, this may compel you to ask: what is spectroscopy? The short answer is that… Read more »
Hydrogen gas (H2), which is currently used in world-wide production of ammonia, is also being considered as an alternative fuel. But how is hydrogen gas made? Carbon monoxide (CO) and water (H2O) can be combined to form hydrogen gas (H2) and carbon dioxide (CO2) in a process known as the water-gas shift reaction. The water-gas… Read more »