Guides of Crystals Of Snow


CRYSTALS OF SNOW

The Sky - Curiosity\'
When the bright radiation strikes the snow this it suffers the phenomenon of scattering provoked by the numerous frozen surfaces of every crystal that involve as mirrors.
More' or less in equal way the bright various lengths of wave come scatterate giving the white color to the snow.
The bows of snow are symmetrical crystals of ice, whose form depends on the conditions of the time from the temperature of the air and from the damp: nobody results therefore equal to another.
The precipitazionisis form only if the clouds reach elevated quotas, with low temperatures to be allowed the formation of an enough number of crystals of ice.
To our latitudes the presence of crystals of ice in the superior part of the clouds is an essential condition for the formation of the precipitations.
In a composed cloud primarily from droplets of water but that it also contains crystals of ice, the air is saturated in comparison to a surface of water but sovrassatura in comparison to the ice.
For example to a temperature of -10 or such C sovrasaturazione is of 10% while to -20 or C it is equal to 21%.

Snow cold thing is
ATTENTION! The contained illustrations in the page are of and sclusiva ownership and you/they can be used only free by third in their documents getting the authorization of it from the author.
The snow and the intense cold are natural phenomena that are in some areas rather communes and relatives: the north regions and to south of the globe, the zones climb on of it, they are normally prepared to face these phenomena limiting the uneasiness and the dangers for the population.
In some exceptional cases, however, the quantity of snow and the low temperature can put also excessively in crisis the most experienced and prepared communities.
In other cases, where snow and cold are very rare events, a snowfall of modest dimensions is enough to create serious difficulties.
The punishment is worth therefore to know these more phenomena to fund.
With to alternate some day to the night and the to follow him some seasons, the different areas of the globe they receive a different quantity of light and heat.
The different temperature of the air puts in movement her "car of the time" atmospheric.
This trial, on great staircase, it produces a cycle (atmospheric circulation) that brings the warm air of the equator up to the polar zones pushing the coldest air in those zones toward the equatorial band.
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info: CRYSTALS OF SNOW




Photo by www.snowboardplanet.it

Snow cold thing is didactic Version
If you are not interested to the "Didactic Version" we recommend you to consult the common version selecting the special button.
The contained animations in the page are of and sclusiva ownership and you/they can be used only free by third in their documents getting the authorization of it from the author.
The snow and the intense cold are natural phenomena that are in some areas rather communes and relatives: the north regions and to south of the globe, the zones climb on of it, they are normally prepared to face these phenomena limiting the uneasiness and the dangers for the population.
In some exceptional cases, however, the quantity of snow and the low temperature can put also excessively in crisis the most experienced and prepared communities.
In other cases, where snow and cold are very rare events, a snowfall of modest dimensions is enough to create serious difficulties.
The punishment is worth therefore to know these more phenomena to fund.
With to alternate some day to the night and the to follow him some seasons, the different areas of the globe they receive a different quantity of light and heat.
The different temperature of the air puts in movement her "car of the time" atmospheric.

Portacandele with crystals of snow - not only Point Cross - Guide of SuperEva
you are here: superEva. Guides. Leisure time. Not only Stings Cross not only Stung Cross of Agnese has driven since 11-04-2000 you a guide Becomes also! .
Following the indications to realize the 3 portacandeles embroidered with the crystals of snow.
Crystals 1 are the scheme of the parallelepipedo it is tall cm 8, 5 for a width of 7, 8 cms (a motive for side) 35 quadrettis of height (better leaving the cimosa to use her as base) for 31 quadrettis of width.
I have cut a strip of 135 quadrettis (124 for the motive the remainders to glue) of length) for 35 quadrettis of height A second scheme of crystal of snow.

Crystal III - not only Point Cross - Guide of SuperEva
you are here: superEva. Guides. Leisure time. Not only Stings Cross not only Stung Cross of Agnese has driven since 11-04-2000 you a guide Becomes also! .
Crystals 3 are the scheme of the tall cylinder cm 9 for with a diameter of ~ 8 cms (motive is repeated 4 times) I have cut a strip of 120 quadrettis (104 for the motive the remainders to glue) of length) for 37 quadrettis of height.

Benefits



Bow and crystals of snow. Ulisse
Moved on the navigation Colophon Scrivi you Inscribe yourself to us Login it Looks for in the site it Seeks advanced Ulisse controLuce the run: Ulisse Controluce Cards 2006 Bow and crystals of snow Controluce - Figures to describe Electron Microscopy Unit Plant Sciences Institute, Beltsville Agricultural Research Center (BARC), Beltsville, MD Fiocco and crystals of snow The bows of snow are united of crystals that are directly formed in the clouds by the condensation of the vapor.
The crystals of snow introduce complex base symmetries hexagonal due to the atomic configuration of the molecules of water that, to the solid (ice) state, they form a compact grate of cells similar to those of a beehive.
The simplest crystals of snow are in fact of the prisms of hexagonal base that, according to the relationship between the base and the height, they appear as mullions or as flat sheets.
From experiments ducts in the laboratory you/he/she is seen that the form of the crystals substantially depends on to vary of the damp and of the temperature.
With taller values of damp, the structures to form of column can turn into structures aghiformi, or to introduce some hollow.

CRYSTALS OF SNOW:

Bow and crystals of snow. Ulisse
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Powder!! Crystals of fresh (photo) snow - dBlog.it
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TecaLibri: Ian Stewart: What form does it have a bow of snow?
More than a chronological account, nevertheless, is a harvest structured of scientific ideas.
The reader won't find only you bows of snow, since the scientific and mathematical concepts that explain the bows of snow derive from more general questions - to which are inextricably connected - on the creation of the natural forms.
However I promise that when we will have reached the end of the trip I will have explained the enigma of the bow of snow.
They were parts of the stem of a lily of fossilized sea.
I realized of it for the first time when my uncle gave me a book that explained the bond between hexagons and nests of bee.
Me he/she wanted even more us to understand that the nature introduces mathematical regularity because the physical laws that produce her are mathematical laws.
And I was by now of mezz'età when it came me to mind that this is only a partial explanation, since the laws are mathematical to the level of the atoms and the galaxies, while the forms that we see everything around us have a human staircase.

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Observing, however', these butterflies deposited on a dark body, better if with a lens contafili, before our warm breath turns her into droplets of water, we see that it deals with a whole multiform crystals of ice.
They are formed, to inferior temperatures to 0 C°s, for sublimation of molecules of vapor and congelation of microscopic drops of water around impurity' present in the atmosphere that you/they act from nucleuses of crystallization.
The crystals assume, initially, the form of a microscopic hexagonal plaque that grows as soon as, in its movement in the saturated air of the cloud, it admits to if' other molecules of vapor and droplets of water sopraffusa.
The growth of the crystals happens in different way according to the bands of temperature in which it happens: for example, around the -6 C°s the plaque grows in the sense of the thickness, forming thin needles of hexagonal section; around the -10, -12 C°s the increase of the dimension of the crystals happens in the sense of the greatest dimensions of the initial hexagon, forming hexagonal plaques more' ample.
Over the -12C°, up to -!6, -18 C°s growth happens on the vertexes of the perimeter, with the formation of dendriti that gives, to the initial plaque, the stellar form to six points.

Meteorological center Lombardo
Snow's crystals - the beautiful images of Kenneth G.
Its field of search, in fact, is the study of the crystals of snow.
With particular (rooms of temperature growth and checked damp) equipments and with the aid of tools of photographic resumption and video envoys to point, on purpose try to snatch every secret to the nature and to understand as is possible to produce a crystal of snow with a certain form rather than another.
Nevertheless its passion for the crystals of snow goes well over the search, in fact a lot of of the beautiful photos that its site equips have been realized on natural bows of snow, really fallen in the regions of the Ontario, Alaska, Vermont, Michigan and in the mountains of the Sierra Nevada in California.
Kenneth will explain you as you/he/she has realized these images and it will introduce you to the techniques used for realizing the crystals of snow in the laboratory, but above all on his/her site you can find so many information type scientific as, for example, the physical principles that are behind the formation of the crystals of snow and because they assume the form that you/they have.
He/she will explain you what it happens to certain atmospheric phenomena in which the light is refracted by the present crystals of ice among the clouds and it will give an answer to the legendary affirmation that wants that an identical bow of snow doesn't exist to another, or to the why snow is white and if it is true that 'it makes too much cold to snow' or if it is true that they are perfect from a symmetrical point of view.

Sciences: Miscellany
A game of ability that is a challenge to the nature.
Do equal two crystals of snow exist? Wilson Bentley, toward the end of 1800, it picked up of it and it photographed over 5000 to discover that each of them was 'a masterpiece of design and that anybody structure was repeated.'
In this page of the Jerico Historical Society, to him devoted, he/she invites you to look at a series of crystals and to overlap with the mouse those equal.
And' a very common game, that does him with a series to plot that they represent couples of objects or characters and you/they are prepared covers on a table, but with the crystals of snow it is more difficulty because, also one being different from the other, you/they can seem very similar.