Nearly every New Yorker has to push a button and often wait some time for their automated elevator to arrive. Tony Sciallia, ...

So I have this running bet with myself that the “Singularity” (man’s union with machine, et al) will arrive on a space elevator (a near mythical delivery system to space). In other words ...

Clarke, whose novel The Fountains of Paradise chronicles the building of the first space elevator, was asked this question in the early 1990s. His famous reply was, “Probably about 50 years ...