Flies and a chandelier

Need more work

I confirm my observation.I believe that in the updrafts, when the chandelier is turned on, it is much easier to fly.And then on prevychke.
What I don't understand is why they have so much power to fly.They eat-ugh, and fly for kilometers.How
much does a live housefly weigh?
tamm

the problem is discussed in the book: Makovetsky "Look at the root".

summer, lazy, flies fly, you can theorize:
hypothes1-eddy currents of air form around the chandelier (even if it is not turned on). flies have a taxis based on the air pressure gradient. so they fly around.
hypothesa2-rejected when writing, because the garbage is complete.

Maybe they think it's the Sun, and they think it's the Sun ...planets...

Our flies hover around any object hanging from the ceiling. It probably wasn't the chandelier.
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and I have a fly that has been flying from one side of the monitor to the other along the table all day. Maybe their electromagnetic healing is pinning them, or maybe it's warmer near the monitor (today it's cool here).

Although flies do not have their own society, it seems that the corresponding instincts are present in their infancy, and objects on the ceiling are something like the archetype of the nest for them.
And they fly for a long time because they can't find the entrance.

It turns out that flies and birds have a common ancestor? What does phylogenetics think about this?

Yes, guys, you are still thinking...
This is like" I overclocked my 14-inch monitor to 17 inches yesterday!", " And my friend overclocked a two-button mouse..."

"They eat-ugh, but fly for kilometers." End of quote.
And where does such specific information about the low requests of flies for food come from?
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About food and flies.Unfortunately ,the data is indirect.Products left on the counter, when carefully examined, have a lot
of micro-damage, but we have never observed a piece(albeit small)
eaten whole or half.If ants are involved, the picture is completely different.(time - up to two weeks)

"They eat-ugh" Because they are small and, accordingly, can not eat much. Here the logic is ironclad.
I.e. it is likely that they use nuclear energy. And about this topic has already been. About cold fusion in the body. It all fits
I have a question for McAlister: How do flies fly around the chandelier? Clockwise or counterclockwise?

I'll share my observations:
My (German) flies do not fly under the chandelier (which hangs not in the middle of the ceiling, but on the side, near the table), but just in the middle of the room, closer to the ceiling. In addition, they do not fly in circles, but in a rectangle (or triangle sometimes), so perhaps they are oriented like bats - by ultrasound (or buzzing), which bounces off the walls and allows them (flies) to orient themselves in the middle of the room.
As for how much these bastards eat, I can say as a drosophilist: They eat up to a fig, they eat yeast for the night exactly more than their own weight (1 mg for D. melanogaster), or even several times more - they only have the will to give
And voobsche, the topic I like, maybe we will be worthy of strict experiments (for example, with an octagonal room or with an oval office ) and publish it? After all, you don't really need to do anything!
To www:
And what does Makovetsky say about this? After all, I (like probably many people) have not read this, can you describe it in a nutshell?
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Makovetsky discusses the problem of why moths fly to the candle light at night and gather around it. His idea is this: let's assume that in the process of evolution, a moth has chosen the only strong natural light source - the moon-to navigate at night (there is no light). What happens? The moon is far away, so for any movement of the moth, we can assume that the moth-moon distance does not change, the moth flies in a straight line. This allows the moth to develop a simple navigation program: the orientation of the flight relative to the direction of the moonlight is fixed if there are no special conditions (this is of course debatable, the program may be more complicated, but let's assume that in this simple part the program works like this). that is, conditionally, the moth tries to fly so that the moon shines on its left (right) eye (or whatever it is).
Now consider the flight of a moth near an artificial light source, which is also not as far away as the moon-a candle on a table. If there are no special conditions, the moth interprets the candle as the moon and tries to fly about its business, fulfilling the condition of a fixed angle between the direction of flight and the direction to the light source. Since the distance to the "moon" now changes with the movement of the moth, the navigation program records the deviation of the ist angle.sveta-directed.The moth must CONSTANTLY adjust its trajectory as it moves away from a constant one (draw it yourself). To save it, the moth must CONSTANTLY adjust its trajectory. Obviously, it should now move in a circle with a candle in the center.
Further, my memory fails, and what Makovetsky does to get a spiral trajectory converging to the candle, I do not remember, I will venture to say the following: a circular trajectory for such a simple flight program is most likely unstable, I will explain that signal reception, its processing, and response require time, during which the moth shifts at least a little. Accounting for such an offset requires complicating the navigation program in terms of correction, i.e. the appearance of some feedback. In this case, the helicity of the moth's trajectory is explained simply: if the navigation program starts working ahead of the arrival of position information - positive feedback, then the moth's trajectory is a spiral converging to the candle, if the program works with a lag (the case of a simple program discussed above) - a case of negative feedback, then the moth moves again in a spiral. already in the opposite (divergent) direction.
Whether there is a difference between the movement of a moth and a fly is up to you.

But, in my opinion, flies fly not only around a burning chandelier, but also around an unlit one. What does a fly take her for? For a rare fruit?

Has anyone ever observed a fly in "natural conditions"? Perhaps then it will be easier to understand why flies, being in the premises fly around the chandeliers. Maybe they fly around chegonit in nature.
This is their peculiar pastime probably. When they want to eat they fly for food, when they don't eat they fly around a certain stable point

McAlister,
rather than stare at flies for nothing, put an experiment. Hang on your ceiling two liustras (one is lit, the other is not), a piece of mias, a sock, a balloon and eat something as much as you can. While lying on the couch, write down (if you are too lazy, dictate to your secretary) how many flies and how they fly around each item. You can hang objects in different rooms to learn interference, and set up an automatic monitoring system. Please let us know about the results via mesiatc (not earlier).
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That's not the point. It seems to me that we need to fundamentally change the approach to the problem. It's not really that simple.:Umnik:
I'll quickly sketch out my theses (I don't have time).:veep:
a-M. - the constant companion of man, which is reflected in the epos (M.-carriers of infection; under the fly; sleepy as M., dying as M., annoying as M.);
b-M.-the constant attribute of children's fairy tales (M.-tsokotukha, etc.);
c-M.-the engine of progress, is an object of close attention of scientists (drosophila);
d-M. was also endowed with mystical properties (the film with the same name - after all, there was-and for good reason-the transformation of a person-a talented scientist - into M., and not vice versa);
e - surname Mukhin and derivatives-is very common.
This is part 1 of my thesis.
Part 2-IMHO-M. fly under the ceiling in search of a way out and, not finding it, do not lose hope (here is a worthy example to follow) and continue to search further.
That's all for now. <img src="graemlins/shuffle.gif "border=" 0 "alt=" [embarrassment]" / > Thank you for your attention. <img src="graemlins/jump.gif "border=" 0 "alt=" [hooray!]" />

Maybe someone has a link to a scientific site dedicated to flies?

2 12345
http://flybase.bio.indiana.edu/
http://ceolas.org/fly/
http://sdb.bio.purdue.edu/fly/aimain/1aahome.htm
enjoy

I can only say one thing. Common flies that fly in a room are called "Room Flies". And the ones that wind around the chandelier are called "Small Housefly". This is a different view.

I generally agree about the fact that flies are looking for a way out.... it's always easier to find a way out where it's brighter, so they curl around the lamp.. don't break your wings in the dark...and during the day they also curl there because they got used to it in the evening...and here we come to the question of the learning ability of flies and their GNI in general....

As for energy, oblomchik seems to have come out - I apologize.If we assume
that a fly weighs 50 mg, flies at a speed of 2 m / s over a distance
of 1000 meters, then it spends 0.1 j (or a little more).
But eating 50 mg a day (for example, apples) gets from 20 to 100
joules of energy.So the fly is energetically quite happy(like
a rabbit,or even better).
But it's a pity - I had such a beautiful hypothesis...
tamm

I still think that flies are sensitive to the electric field. There is probably a static field around the object hanging from the ceiling, again a monitor - they love it, they love it.

In my opinion, the whole point is that the warm air rises to the ceiling, so the flies fly there like cold-blooded ones.

For example, push-up mosquitoes get together in groups and fly ("swarm") near any noticeable objects (a lonely bush, a stone, a corner of a house, etc.). Moreover, males and females "swarm" together - mating is facilitated.
I think there is something similar here.

It's hard to say for sure. Almost all species that exhibit the rudiments of territorial behavior always choose distinctive objects for disposition-rocks, individual bushes, spots of sunlight-but this is definitely the case for one or two competing individuals, and not for a swarm. Maybe that's how passionate partners can see them all better.

Vidmo such an object as a bush, stump or chandelier stands out from the general background, and therefore to stop somewhere in the search, the insect stops near it. In my opinion, people also have a similar effect in the behavior of

I have long been interested in this question! Nice to meet like-minded people )) I analyzed all the versions you suggested and remembered something from my own life experience, and here's what I came up with.
Such a strange behavior of flies does not depend on the light! I, for example, much more often encountered in the summer around a non-burning chandelier. Therefore, at the same time, I reject the idea that they "learned" from the evening. It happened that flies arrived in the morning and, therefore, could not "get used" to the burning chandelier, because, in theory, they should not know that it can glow at all.
Why do they do it anyway? I like the option that they can use some prominent objects to orient themselves in space. In this way, you can, say, "patrol the area". Only, to be honest, it's not clear, nafiga? )) But even so, why keep circling around for so long? You don't need to "patrol" anywhere else, do you? )) So in addition, these infections persistently return if they are dispersed!!! And sometimes they even sit on the chandelier to relax.
Once, when I was a child, I saw flies circling in one place among the trees. I (just don't laugh too hard) jumped up and down and waved my arms, trying to make them fly away )) - it didn't help!
Vladislav, an interesting question about the hour hand. I wish I'd never paid attention. It will be necessary to notice somehow whether this is important for them or not.
About all sorts of fields (electric, etc.) is also interesting, but I'm in the fields, alas, not strong ((, so it's difficult to talk about this topic...

Well, they have a kind of tokovishche - they attract the attention of the opposite sex there, since it's so difficult to disperse , and so that everyone knows where to fly - they choose a chandelier, a tree... It would be interesting to hang different objects instead of a chandelier and see if they will produce such an effect and whether they will prefer one to the other?

Tell me, why do flies fly around the chandelier? Those. lying on the couch and watching them, I noticed that they do not deviate from this lighting device (even if it is not turned on). How can this be explained? And here's another thing-if you disperse the flies, they gather again around the chandelier.
Thank you in advance. In fact, this question just TORMENTED me already.

clean the chandelier, they've made a mess of it. so they fly at a certain distance to the source of location

Wow, this is what the McAlister chandelier has turned into in four years... So much time to wait for an answer!

God, I'm not the only one!!!I can add:they spin clockwise for a long time, then start in the opposite direction))sometimes a couple of pieces in one direction and the third one gets lost(well, or on purpose, I don't know ) it starts spinning in the opposite direction for a while, but they all seem to get confused, and then they follow the same path again)))

According to my observations, flies actually concentrate around any object hanging from the ceiling. But, it should be located approximately in the center of the room. It is easy to check if you visit the lamp cover in the corner. Mykhs don't concentrate there. Next, each of the flies flies along the polyline in a clockwise direction. The speed is approximately the same (you need to measure it accurately with a stopwatch). If you overclock them, then after a while, the system is restored. Flies fly independently. that is, if you remove one of the four, then the flight process and dynamics are not significantly changed.
In general, we need to deal with this process in more detail.

"I don't think the only ones flying in circles around Lstra are predatory pusher flies. Probably, after all, the chandelier in this case serves them as a reference to the object of orientation, relative to the hunting territory. - This fly-in fact, behaves like a lynx-ambush and eagle, looking out for prey in the grass, falling like a stone on it in case of detection. Haven't you noticed how these flies react to their mates at concentrations that exceed the optimal level relative to food competition?
- Such flights can also serve as mating tournaments...
- And in my opinion, the topic of insects ' perception of the surrounding world is so damn interesting!, and it can't always be explained from the point of view of physics and chemistry. After all, this is a parallel world... - but how I want to think - that they want something just as much as people!...

I got a camera. Ready for new observations