3 ms·

So a tiny nanotechnology that doesn't require any external power besides the sun to kill all life in large quantities of water. I'd like to see some science fi

• mmagin 10y ago
  Direct sunlight kills a lot of things pretty well on its own. A lot of multicellular organisms that spend much time in the sun have all sorts of adaptations to deal with it.
  • SamBam 10y ago
    But this doesn't kill them with direct sunlight, it just uses direct sunlight, so those organisms are still susceptible. My point about "sunlight" was simply that it doesn't need to be otherwise powered, I wasn't talking about the killing mechanism.