[muvlon]

- electricity (from solar, hydro, nuclear, whatever). maintained by robots.

- it is repaired by robots using resources mined or reclaimed by robots.

- you guessed it, robots.

- robots with weapons.

If we actually want to prevent this doomsday scenario, I don't think it's wise to bet on "robots will never be able to do X".

[bcjdjsndon]

- you'll need to invent these robots first, so whats the ETA?

- same as above

- ditto

- a bit skynet, but it will still require humans in the loop. This is the least whacky though as it actually exists