h a l f b a k e r yWhy not imagine it in a way that works?
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solar-recharged hollow lawn gnome: when it spots a dandelion (by the wavelength of the colour of the flower), it sidles up and sits on top of it; assorted internal paraphernalia pulls the weed and drops a bit of grass seed down the hole, tamped on top with fresh dirt from a reservoir. When the gnome's
full it goes and dumps the weeds in the corner.
Act now and get a bonus chemical sensor that can spot (or "deSpot" as the case may be) our furry friends' presents and the gnome will add it to the future-compost heap (and kill the dandelions).
Reminds me of a FarmerJohn classic
Teenager_20Muting_20Ninja_20Gnomes
sigh... [RayfordSteele, May 05 2008]
Electro Weeder
http://www.rittenho...Product.asp?PG=2197
For Maxwell Buchanan. [DrCurry, May 05 2008]
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Annotation:
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Having pondered the existence of consistent coloring schemes in various natural and man made environments, and how to use these consistencies as leverage to perform specific AI moderated robotic tasks, I like this. |
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New age vandals will paint your lawn with this color and watch, patiently, the insanity ensue. |
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I LOVE this idea(+). The pulling up part is the problem due to the weak stem and deep roots, but assuming you can feel your way to the root cluster and pull out a hunk of it, I love it. |
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//new age vandals will paint your lawn//... thwarted by a careless drop of paint on their clothing... slowly the evil lawn gnomes follow their prey, red eyes twinkling in the twilight... snip snip... snip snip... |
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this might be better if the (magical) gnome blew the seedheads (clocks) as they appeared into a disposable bag - the flower itself is quite pretty. |
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Instead of a complex pulling mechanism, have an army of dumb gnomes that just sit on the dandelions for a few weeks, depriving them of light. |
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Dandelions - really high in provitamin A
and potassium, complex carbohydrates,
free green veg throughout the winter and
free root veg all year round,
excellent diuretic, liver tonic, actually
difficult not to grow. Why would anyone
_not_ want them in their garden? |
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I have a bumper crop coming in this year, I'll share with you. |
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I really like [wags]'s version. |
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And you can make wine from the stuff. Put a little fermenter inside their bellies and have them run off ethanol. Mucho green! |
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Something more like a solar powered turtle that crawls around, snippin off the leaves and stalks with its mandibles and then spraying the remainder with a selective defiliant ...... |
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Pulling dandelions could be good training for the Ninja gnomes. |
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Just out of evil curiosity, what would
happen if you stuck a copper rod into the
ground a few inches away, grasped the
stem in a pair of conductive jaws, and
applied a brief 10kV pulse between the
two? |
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No need for the copper rod - the root is already grounded. I doubt a short sharp shock will do much to it (trees keep right on growing after lightning strikes, if they aren't burnt through). What you want is for the heat of the shock to burn the plant (and, more importantly, its roots). See link. |
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I suppose i could look at this as a harvesting tool, and it could be fuelled off the inulin. From the viewpoint of it being a weeding device, i see a problem. If it just pulls up the root by clamping itself round the top and yanking, it will very probably leave bits of root behind in the hole, each of which will then regenerate as a whole dandelion. I think that would be good, but only because you'd end up with more of them. |
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//No need for the copper rod - the root is
already grounded.// No, the copper rod is
to ground the other side of the circuit!! |
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//selective defiliant//
Something that kills offspring? |
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I just spray the yard with seed retarder. No Dandelions! Repeat every 90 days. Defeats crabgrass, too. |
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Again, not crabgrass, but couch grass, to quote Culpeper, "although a gardener be of another opinion, yet a physician holds half an acre of them to be worth five acres of Carrots twice told over.". Still, why not microwave them and eat the result? |
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Dad! Dad! The gnomes are out mating with the double yellow lines again! |
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