Half a croissant, on a plate, with a sign in front of it saying '50c'
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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]


       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

       // Robots: keeping people out of crummy jobs.//   

       Amen. But I feel the rhetoric is more than dishonest.   

       Battery powered vehicles are all the rage but it cannot be proven that they save energy on the whole in that batteries in electric vehicles are at least a 1/3rd the cost.   

       Similarly, if you work out the manufacture energy cost of of a solar cell, it will never recoup its manufacturing energy in its lifecycle.   

       A lot of high tech stuff is cheap because it doesn't involve labour. All it involves is automated fuel and so $1 purchase cost equates with $0.50 fuel (or more). So work it out - the $ purchase price equates with fuel and kg of carbon.   

       The only way you can save the environment is to stop spending $ on useless crap, and that includes solar cells which are far less inefficient than any other other power source when you include manufacture cost.   

       Run the numbers, Electric Cars are only viable for the environment under high mileage scenarios, otherwise just get a cheap new or second hand petrol car.
bigsleep, Oct 22 2018


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