My apologies , twas merely a slip of the finger … I shall replace the missing Z and O forthwith.

Thank you for pointing this out, Jings, I hadn’t actually noticed the missing letters !

This is what happens when you play around on small phone screens without your glasses on …ha ha

Nope… No paywall on this version here dude :-

https://www.popularmechanics.com/science/math/a20718322/building-a-time-machine/

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