h a l f b a k e r yNot so much a thought experiment as a single neuron misfire.
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An upper frame which carries a linear array of very fine nozzles, pointing downwards, and fed by a manifold and a high pressure pump.
It's positioned over a shallow tray with a grating in the bottom, linked to a quiet yet powerful fan and a collection chamber. It can be inset into paving, etc.
The
collection chamber has a filter piped back to the pump.
When turned on, many fine jets of water form a "curtain" to deter or prevent insects crossing.
The guided airflow in the collector tray sucks in mist and stray droplets, preventing a damp area around the "curtain."
The curtain can be turned on an off remotely to allow people to pass through; in the summer, they might not care, if this were used by a swimming pool.
Can't be damaged by strong winds.
May actually entrain and kill some insects.
Unobtrusive when not in use.
Suitable for large areas.
Deters cats.
yeah, right.
http://www.istockph...-cat.php?id=4061559
[po, Aug 19 2010]
yeah, right again
http://www.google.c...IML&ved=0CB8Q9QEwAQ
[po, Aug 19 2010]
[link]
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Could you please make one for large pets? (I don't see
the dogs and cats, and even the parakeets passing
through it. (The rabbits are usually in a cage...) |
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There is an alternative device, which uses much less power, can be operated by a direct interface operable only by humans (or clever dogs & cats) and won't soak the surrounding area as soon as it's a bit wind. |
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This ingenious device is already available in a number of formats and offers the bonus of protection from weather, security options and low cost. |
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I refer, of course, to the humble door. |
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N.B. Cats will always find a way. When you return to find a soggy cardboard box with both ends open straddling your collector tray, and a smug cat occupying your sofa, you'll understand. |
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Not spectacular enough to justify the complication. (-) for the intention to deter cats. |
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+1, but only because I'm picturing it as a decorative waterfall that you can walk through. Complete with LED lights. Sounds like something for a SkyMall catalog. |
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Electrified at the flip of a switch, of course. |
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[+] portable'ish decompression zone. |
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(+) Why...this isn't flamable at all. What have the collective done with the real [8th]? |
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I would like to see a version of this where an insect breaking a beam of light causes individual jets to pick them out of the air. |
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Who is Deter, and what about his cats? |
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