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vegetarian plankton filter gathers vegetarian food from seawater

nonvegetable plankton might swim away from electric fields or towrds light, having such an apparatus next to a filter would preferentially filer out vegetarian plankton, providing food.
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nonvegetable plankton might swim away from electric fields or towards light, having such an apparatus next to a filter would preferentially filer out vegetarian plankton, providing food.

a pump, a filter, and some lights could produce huge amounts of ethical food.

beanangel, Oct 08 2016

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       " ethical food "   

       Ah, now there's a clue to behavioral motivation.
normzone, Oct 10 2016
  

       Why is it more "ethical" to eat an alga than, say, a juvenile crab?
MaxwellBuchanan, Oct 10 2016
  

       Or a juvenile delinquent ?   

       The people who advocate these ideas are usually not those who have tried eating the contents of the experiment. From what I remember from Kon Tiki, the contents of the plankton net were viewed as good by two people, meh by two more, and abhorrent by the other two.   

       Granted, there was unethical food in the mix, and no lights, pump or "filer" involved.
normzone, Oct 10 2016
  

       I thatk a filer would have helped. A lot of those little critters have got spates and spikes, which a good filer might have removed. Fiddly work, though.
MaxwellBuchanan, Oct 10 2016
  

       Is there enough file in the plankton gumbo?
bungston, Oct 10 2016
  

       How do we know it isn't the unethical bits that make it taste bad? Or good?
nineteenthly, Oct 11 2016
  

       I believe they do both. Many kinds of roe or tiny young critters taste good, but the Kon Tiki crew said a jellyfish in the batch would ruin a bite.
normzone, Oct 11 2016
  
      
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