For someone who recently read a lot about Einstein and his work and learn what his theory actually accomplishes, this was a great read. I am glad I took 15 minutes of my time to read this paper. Personally I feel it sucks that almost every educated person can recollect his famous equation but a small fraction actually know what it is all about and how his work changed our understanding of space and time. I recommend…
The simple illustration of a 'singularity' arising from the slope of a vertical line (y = mx+c with m=infinity) compared with the geometrical view where such a line is simply a vertical line which can be transformed into any other line by rotating will be useful in teaching!