Half a croissant, on a plate, with a sign in front of it saying '50c'
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This would work fine, except in terms of success.

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Drone assisted solar weeder robot

Solar robotic weeder [link] can work at night if a drone delivers fresh batteries to it
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view the agricultural robot [link]!

There is a really enjoyable. future affirming lightweight agricultural robot at the link. It looks like a solar topped card table that does weeding. It says it goes 12 hours a day.

I think that having drones fly fresh solar-charged batteries to it could keep it running all night. This approximately doubles the financial ROI (return on investment) making it even more popular.

Robots: keeping people out of crummy jobs.

beanangel, Oct 20 2018

Solar powered weeding robot https://9gag.com/gag/aExmQOG
[beanangel, Oct 20 2018]

Better link https://www.youtube...watch?v=0lNFJBfZKAs
From the source. Not on a content-stealing website. Probably more stable over time. Probably has audio. [notexactly, Nov 07 2018]

[link]






       Considering the amount of sunlight in the UK, they might just as well plug it into the mains and get on with it.   

       The bigger issue is farmhands misusing it as a card table while charging their phones.
not_morrison_rm, Oct 21 2018
  

       What's wrong with using a flamethrower ?
8th of 7, Oct 21 2018
  

       Given that drones are airborne, whilst the weeder is groundborne, it's probably more efficient just to have big enough batteries on the weeder to run all night.
MaxwellBuchanan, Oct 21 2018
  

       If your drone assistant had a bright LED light shining down to the robot's solar cells the weeding could go on all night, or at least until the drone ran out of power and crashed into the field.
whatrock, Oct 21 2018
  

       Darn! I thought this was going to be a drone with a huge Fresnel lens turning weeds into smoke.
Klaatu, Oct 21 2018
  
      
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