Cambridge University ‘collapse expert’ Luke Kemp contrasts the relative longevity of ancient civilisations.
G’wan the Kushites!
For the day that’s in it, YouTube learning channel Kurzgesagt explores the possibility of humanity progressing from a near Type I planet harvesting civilisation (on the Kardashev scale) to a Type II star harvesting civilisation.
Next Tuesday alright for you?
Finding alien life on a distant planet would be amazing news – or would it? If we are not the only intelligent life in the universe, this probably means our days are numbered and doom is certain.
Oh wait now.