Digital Augmented Telescopes: Tellscopes

In Fast Company:   A telescope called a Tellscope.  A terrestial rather than a celestial scope, with elements of augmented reality.  The article discusses the hardware and software approaches involved.  " .... One year ago, the tallest structure in the EU was inaugurated with cutting edge digital telescopes in the viewing deck. Thanks to some clever hardware encoders and software trickery, visitors to the Shard building can view London as never before. Here’s how they did it. ... "