[anymouse]

Unintended consequences: nanotube spinning spiders escape and spin webs across walkways. Instead of getting a face full of sticky webs, they decapitate passers-by. Near-invisible strands many times stronger than piano wire makes for very dangerous hazard or weapon.

[Darksheare]

Johnny mnemonic and the monomolecular wire weapon.

[piasa]

Well, you know, the meek will inherit the Earth. We just didn’t know until now how it could come about...