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Navigation in the Asteroid Belt

Navigation requires time and position data and the ability to calculate and plot a course. Historically, we have used “fixed” points like stars and buoys and beacons and landmarks and we plotted courses to fixed destinations. More recently we have learned to use a network of Global Positioning System (GPS) satellites. The satellites move constantly […]

Smart Cities

We have smart phones, meters, watches, and the “internet of things” that promises to embed “smartness” into most household and business objects and connect them. The same concept applied to city infrastructure, is now being called “smart cities”. City infrastructure includes: water supply, electricity, waste management, transportation, communication, emergency services, law enforcement, education, healthcare, zoning, […]