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Why would something spin silken masses inside my solar-powered lights, always at the negative terminal of the battery?

I have five solar-powered lights in my garden. Something has spun silken masses inside their battery compartments, and in all five lights they are located at the negative terminal of the battery (see photo).

Is there a reason for this, or is it just coincidence?

Allen Lutins, Johnson City, New York, US

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Last edited on: 2009-12-09 10:46:50

Categories: Animals, Plants, Technology, Unanswered.

Tags: battery, light, negative, terminal, silk.

 

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Anonymous says:
This looks like the negative end of the battery with the spiral spring contact. Possibly the spiral makes an ideal support for the silk web or cocoon?An alternative may be that the positve connection is made of a more toxic metal towards the organism doing the spining.A second alternative may be to do with piezoelectricity depending on the contact resistance involved.
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posted on 2009-05-27 18:56:58 | Report abuse


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Cymro says:
It's simple... there's more room at the negative end though there isn't always a spring, but a piece of spring steel.
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posted on 2009-05-27 23:46:21 | Report abuse


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Anonymous says:
Where is the point that the organism gains entry - Is it perhaps at, or near to, the end where the the silk is spun...and the creature cannot then easily migrate to the other end of the battery - so spins the silk where it can? It would be intriguing to believe that the electrical potential could have someting to do with it, but simpler explanations should be ruled out first - have you a photograph of the `spinner`? I am assuming that these silken threads enclose eggs from the organism.
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posted on 2009-05-29 06:58:06 | Report abuse


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Anonymous says:
There's about a 3.1 percent chance this is due to coincidence (0.5^5), assuming that each event is independent of the others, and that there is truly a 50 percent chance that it could have been done at either end of the battery. Whatever the creature was (a small spider perhaps), it might have gone to the negative end because the gap there was larger and it could fit. Or that was the only entrance under the battery cover. In that case the negative end would have been far more likely, or the only possible location to spin the nest.Who knows, maybe little creatures like this are sensitive to small currents of electricity, under tree bark for example, and they find their nests that way.
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posted on 2009-05-31 19:49:05 | Report abuse


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G Dubya says:
It's a typo on the case. They missed out the 'C' in 'BACTERIA' and the thing is a rechargeable bacteria contraption. The 'fluff' is probably them fleeing from the drugery of being forced to supply 15mA to an LED in a garden. Bacteria use 'Concentration Gradients' (across Membranes) to generate energy via electron transport, much like a conventional battery. Maybe ?
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posted on 2009-06-01 07:00:48 | Report abuse


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