600ft? Crikey, thats a big crop "circle"

Is a emiter and a flare going to create fantastic formations or just flatenned crops. You got any proof of the circles being done this way ?

it was on a discovery documentary where they hired some grad students. not only did they make a crop circles. they created the burst marks and the micro balls of metal. Nothing confusing about and any real scientist can tell there are lot's of man made devices that could give such results. only conspiracy people claim we can't do it and thus jump to wild speculation.
 
In 2002, Discovery Channel commissioned five aeronautics and astronautics students from MIT to create crop circles of their own. Discovery's production team consulted with crop-circle researcher Nancy Talbott, who provided them with three attributes that she believed set "real" crop circles apart from known man-made circles, such as those created by Doug Bower and Dave Chorley.[25] These criteria were:

1. Elongated apical plant stem nodes
2. Expulsion cavities in the plant stems
3. The presence of 10–50 micrometre diameter magnetized iron spheres in the soils, distributed linearly

Over the course of a single night, the team was able to create a stereotypical "man-made" circle that they then attempted to enhance using the three criteria. The team used lengths of rope to plot their design and trampled the wheat down in a spiral pattern using lengths of wooden board attached to loops of rope. To meet criterion 2, they constructed a portable microwave emitter, using it to superheat the moisture inside the corn stalks until it burst out as steam. To meet criterion 3, they built a device—dubbed the Flammschmeisser ("flamethrower")—that sprayed iron particles through a heated ring. However, the device proved to be too time-consuming to use, and they were forced to finish the task by using a pyrotechnic charge to distribute the iron around the circle. The circle was later analyzed by graduate students from MIT, who declared it to be "on a par with any of the documented cases". Their conclusion was later questioned by Talbott, who noted that the team had only been able to recreate two of the three criteria. Talbott also expressed concerns that the iron particles were not distributed laterally. Furthermore, she felt that the team's use of night-vision headsets and other technologically advanced items would be out of reach for the average hoaxer.[25] This would have been even more so in the '70s and '80s when night-vision equipment was rare outside official use.

The creation of the circle was recorded and used in the Discovery Channel documentary Crop Circles: Mysteries in the Fields
 
LOL, conspiracy theories - is that the staunch sciwntists in you I wonder?

So its moved now from people with plancks and tape measures to people with microwave emitters and flares (so they can see I suppose in the middle of the night. We can forget all of the other evidence of people having seen them form (mass hysteria and lying I suppose) and the lights not being flares as they travel across the fields etc.

At least the issue has moved on. What you have posted there is interesting by implausable to some degree as stated.
 
LOL, conspiracy theories - is that the staunch sciwntists in you I wonder?

So its moved now from people with plancks and tape measures to people with microwave emitters and flares (so they can see I suppose in the middle of the night. We can forget all of the other evidence of people having seen them form (mass hysteria and lying I suppose) and the lights not being flares as they travel across the fields etc.

At least the issue has moved on.
What are you on about non of that makes sense.

original crop circles = rope and wood
Modern crop circles to add more believability = rope + plank + emmiter

So you are going to believe the "scientists" that say these effects can not be replicated by humans. Over a repeatable experiment that shows all the correct signs.
 
quite plausable but there is a lot of eye witness accounts that rules out hoaxers in 20% of the cases, well so one of the long time researchers say. However there is not standardized criteria for this so its not really a very good standard.

Human made it is then but some of em look good. That dragonfly today was quite a nice one
 
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I think there is no definitive answer to the cause of them. Although one or two people admitting to make a few with a plank does not mean all are fake. But to the cause who knows.

PLANT ABNORMALITIES

The physical changes (listed below) documented in crop circle plants by Michigan biophysicist W.C. Levengood have been determined by evaluating hundreds of sample plants -- both downed and standing -- taken from inside the overall perimeter of each formation against hundreds of control plants taken at varying distances outside each formation, in several directions. More than 250 individual crop formations from multiple countries, over a 10-year period were examined in-depth. Although many of the formations studied were relatively "simple" in overall design and/or relatively "small" in overall size (primarily because of BLT's financial and/or personnel limitations, particularly in Europe), many larger and more "complex" formations -- those whose overall design included intricate geometric shapes with multiple design elements of varying sizes -- are represented here.

Many of the formations occurred in European countries and, in those cases, the plants were dried-down in open air for 4-6 weeks prior to shipping to the U.S. Some of the U.S. and Canadian formations were shipped while still green. The physical changes found in these crop circle plants, outlined below, have all been determined to be statistically significant at the 95% level of confidence:

1.


On the microscopic level, abnormal enlargement of cell wall pits in bract tissue (a thin membrane which surrounds the seed- head and through which nutrients pass to the developing seed) were found. This examination utilizes the optical microscope and is quite time-consuming and, although useful in the early, exploratory stages of the research, was replaced when equally reliable criteria were subsequently discovered.

2a.


Enlarged (both laterally and longitudinally) plant stem nodes - the fibrous "knucle-like" protuberances found spaced along the plant stem beneath the seed-head, technically called "pulvini." Although these nodes are sometimes enlarged both laterally (they are "fatter") and longitudinally (they are "stretched"), extensive laboratory work has determined that it is the node elongation (the stretching) that is a permanent effect caused by the formation energies - and so this is the parameter now used.

Apical Node Elongation



2b.


In some crop formations the energy system involved is intense enough to cause bending of this apical (top) node (although pronounced node bending is much more commonly found at the lower nodes on the plant stem). In a few cases we have found severe apical node bending in conjunction with marked stretching of the node. As the example, below, illustrates the node elongation in such cases is clearly in addition to that caused by the bending of the node tissues.

Sample plants with apical node elongation and extreme bending, in wheat from a Maryland, USA crop formation.
Apical nodes in control plants from the same field, taken a distance away from the crop formation.


Plant Elongation
Four plants on left (from an Italian crop circle) show apical node elongation & slight bending. Two apical nodes on right are from controls.


3a.


Marked bending of the plant stem nodes which can occur at all of the nodes in some cases, is most often observed in the 2nd, 3rd and 4th nodes down toward the bottom of the stalks. It does occasionally occur in the first, or apical node beneath the seed-head (see above). Usually this bending (if it is determined to be significant after ruling out natural plant recovery processes) is in the range of 45-90 degrees and considerable care must be taken to not confuse this node bending with two well-known plant recovery processes:

(1) phototropism (the plant's natural tendency to reorient itself to sunlight) and;

(2) gravitropism (the plant's natural tendency to reorient itself to the earth's gravitational field).

NODE BENDING, which may (depending on the age of the crop when formation occurred & time elapsed since then) or may not be indicative of the genuine phenomenon.

Depending upon the growth-stage of the plant at the time it is downed (whether it is young or old) and the species of crop involved, these natural recovery processes - phototropism and gravitropism - begin to take effect within days. Therefore node bending can only be understood as significant when it is known how old the affected crop was at the time the crop circle occurred and, particularly, how many days have elapsed since then. [Young barley, for instance, begins recovery to the up-right position almost immediately and will show significant node bending within a week; young wheat tends to recover slightly more slowly. And mature crop may not reorient itself at all, depending on the amount of vigor inherent in the plants.] But when crop circles are known to have formed during a specific time period and are found within 24-48 hrs., and significant node bending (40° +) is observed, this is an effect that can be attributed to the causative energy system. In some cases canola (rape-seed) plants have been observed to be bent at a full 180°.

4.


Expulsion cavities (holes blown out at the plant stem nodes), usually found in the 2nd node beneath the seed-head, but in recent years discovered also in the 3rd and 4th nodes all the way down the plant stem. A darkening of the stem node, particularly when expulsion cavities are present, is usually the result of the growth of an opportunistic fungus (Ustilago tritici) which quickly forms on the exudate released from inside the plant stem.

expulsion cavity
Typical expulsion cavity found when crop circles occur in young wheat, oats & barley. These holes are not always present in "real" circles and occur usually in the 2nd or 3rd nodes down from the seed-head.

Expulsion cavities in older, mature plants can also look like this example, in mature wheat.

Expulsion cavities in older, mature barley plants.


5.


Stunted, malformed seeds and germination effects. There are four basic changes to the seeds and germination capability in crop circle plants documented so far. These radically different reproductive effects depend upon the species of crop involved, the growth phase of the plants at the time the crop circle occurs, and the composition and intensity level of the energy system involved (which appears to differ slightly within each event as well as from event to event):




(a) If the crop circle occurs prior to anthesis (the flowering of the plant) and the development of the seed, the somatic (non-reproductive) tissue of the plant will continue to develop normally -- but seed development ceases or is impaired. Normally-formed glumes have been found which are totally devoid of seeds.

SEED-HEADS, WHEAT
Crop circle seed-head (right) has no seeds, due to destruction of plant's reproductive capacity. Found only when crop circles occur in very immature plants.




(b) When crop circles occur at a slightly later growth stage, in young crop where the seed is still forming, the developing embryo fails to grow normally. These seeds will be visually stunted (smaller), will weigh less than their controls, and will exhibit reduced or repressed germination. Here, the reproductive capacity of the plant has been compromised.

STUNTED & DEHYDRATED
MAIZE SEEDS (on right).
These occur when embryos are already formed, or partially formed,
when crop circle occurs.


CONTROL MAIZE SEEDLINGS AT 7 DAYS
FORMATION MAIZE SEEDLINGS AT 7 DAYS
Showing reduced seedling growth-rate, which typically occurs if crop circles form in plants which are at an intermediate growth-stage.




(c) When crop circles occur in more mature plants, where the embryo is fully formed or nearly so, the seeds will again be visually stunted and will weigh less than normal, but the effects on reproduction vary. One effect observed has been an alteration in normal growth-habit of the developing seedlings: in species which have a normal variability of growth at particular stages, this variability has been lost -- with the result being that all of the germinating seeds exhibit synchronized growth.

CONTROL SEEDLINGS, 12-DAY WHEAT
Showing normal variation of growth-rate (height)
for this particular species at this stage of development.
FORMATION SEEDLINGS, 12-DAY WHEAT
Showing induced synchronization of growth.
 
But all of that could be the side effect or using a microwave emitter. As no one has ever caught a crop circle forming on film, or duing daylight hours for that matter it all smells of humans mucking about but all of a sudden using microwave emitters seems a little odd but not to the skeptics and the scientific mind.
 
The thing is, people say there's not enough time to do them and they'd be noticed - I couldn't disagree more! Things happen around you all the time that you dont' notice why would this be any different?! It's clearly done by people, and it's really well done, it is criminal damage however, but still impressive nonetheless.
 
Of course this just brings out the lunatic fringe:

http://www.guardian.co.uk/uk/2009/jun/05/ruralaffairs

Good article in the Guardian about the 2009 season. Its looking like its a good time to make them probably due to nice weather and visibility at night is not bad. There is now a lot of money to be made on both sides of the argument. Both the IT AINT HUMAN crowd on field trips (a lot of amercians are interested in the phenomena and pay quite a lot of it all) and the mysticism of it all (books, talks, photos etc) and by the makers in terms of corporate sponsorship of circles and tales to tell.

There is the truth probably, 55 quid a day to go to a conference and meeting place.
 
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Aliens didn't make that, I asked an alien last night when I was being analy probed and he explained they don't waste their time making circles :)
 
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