Point of extraordinary gravity: remarkable computers and the end of humanity (11)

I believe the answer is:

singularity

I'm a little stuck... Click here to teach me more about this clue!

'point of extraordinary gravity' is the definition.
The definition and answer can be both human attributes as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'remarkable computers and the end of humanity' is the wordplay.
'remarkable' becomes 'singular' (synonyms).
'computers' becomes 'IT' (information technology).
'and' says to put letters next to each other.
'the end of' suggests the final letters.
The final letter of 'humanity' is 'y'.
'singular'+'it'+'y'='SINGULARITY'

Can you help me to learn more?

(Other definitions for singularity that I've seen before include "Uniqueness" , "might be found at the centre of a black hole" .)

I've seen this clue in The Independent.

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