From a certain point of view, California remained an “unprofitable” part of the world for hundreds of years after the Westerners arrived in the early 1500’s. It was a long distance to ship anything around the southern tip of South America from California to the Eastern U.S. There was little industry to produce things in […]
About three years ago, my colleague Rob Mueller asked me if I had an idea for a technical paper we could write for the International Astronautical Congress in Prague, the Czech Republic. I did, in fact, have a topic that was beginning to fascinate me. I had been looking at pictures from Titan, Saturn’s largest […]
Some time ago, our ancestors discovered that the Earth isn’t quite as flat as it seems. Nowadays the mathematicians will tell us that it has “positive curvature.” Well, it might be positive, but it’s not that positive. It’s hardly curved at all. You can’t notice it when driving your car to the grocery store, for instance. […]
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