[…]

Sources & further reading:
https://sites.google.com/view/sources…

The original Limits of Humanity: https://www.youtube.com/watch?v=ZL4yY…

Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited pocket of the Universe and the finite stuff within it. How much universe is there for us and how far can we go?