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About LeoKrut

The primary business of LeoKrut is promotion of Dr. Leonid Sakharov life time work that includes but not limited to:

- experimental and theoretical research of crystal growth phenomena; high temperature superconductivity, theoretical strength of materials, plasma coating;

- algorithms and software development for data analysis, crystal growth modeling, image enchantment;

- essays about political and life issues and futurology.









Products

Following software products of LeoKrut are available for commercial use:

LeoDataAnalysisLink to LeoDataAnalysis.

Data visualization, statistical analysis and modeling software. Scientific and educational software application LeoDataAnalysis is targeted for the broadest range of customers from students till scientists and data analysts.
It has very mild limits on the size of data to operate.
LeoPictureLink to LeoPicture.
Digital photo images editor.
General features: Open and save image files in most used formats. Enhance, correct colors, paint in, zoom and deform image. Select and modify part of image. Copy/paste image or selected area. Print and print preview images. Use as chroma-meter for quality control and learn physics of color.
LeoMonteCrystal
Link to LeoMonteCrystal.

A numerical scientific and educational software simulator of the surface reaction during crystal growth. Artistic visualization in real time of the process including an option of stereo presentation. Illustrative tool for teaching students a concept of transformation of two dimensional nuclei mechanism of layer by layer growth into continuous one with decreasing of surface energy.
LeoFetch
Link to LeoFetch.
The scientific and educational software application for the robotic internet search and download files. It can use any internet page as a starting point and find all links that it contains.
LeoNetCDF
Link to LeoNetCDF.
Scientific and educational software application for the reading, altering and saving NetCDF format files.
NetCDF is common used multiplatform binary file format for presentation and sharing experimental data.
LeoCalculator
Link to LeoCalculator page.
LeoCalculator is an application for performing calculation of mathematical expressions these could include not only basic operations but also functions and brackets. LeoCalculator also permits to use of predefined variables.
Copyrighted materials presented in LeoKrut like original pictures, videos or articles can be subject of negotiation for copyright transferring limited or complete.
In some cases important know-how part of materials are left outside of free public access and can be bought separately for private use or with full transfer of intellectual property rights.
LeoConfidential
Link to LeoConfidential page.
LeoConfidential performs encryption-decryption of text in Unicode encoding that means it work for most languages on the planet earth. The algorithm of encoding is our state of art propitiatory development. The general principal of algorithm is to randomly melt needle of the message into random haystack of numbers.

Data analysis.









Data analysis is the bridge from observation to conclusion. It is the process of making sense of reality as one becomes aware of it. In life a subject always perceive signals via his detectors like eyes, ears, skin, nose and tongue. A brain of human being continuously analyzes enormous flow of data in routine subconscious manner when only very small portion is on the level that can be verbally described and formally mathematically processed at the modern level of science.
The area of science called artificial intellect, AI, is doing enormous progress in modeling behavior of alive being that is manifesting itself in technological achievements like in self-driving cars, automatic voice callers, personalized web-advertisement, automatic diagnose system such as IBM Watson and robots of all kind. The advanced data analysis is integral part of AI.
Data analysis uses to solve life problems these could be formulated in terms of mathematics. The same is more and more applicable now to the science in general that has experienced evolution from collection and classification of anecdote like observations to mathematically formulated fundamental laws of nature.
Without pretending to cover all areas of data analysis even on its most basic there will be articles describing some problems in life that can be solved by methods of data analysis and shown how to do it with the held of LeoDataAnalysis.

Crystal growth.








A crystallization phenomena manifests itself in a long list of natural and technological processes. Crystals are solid materials with atoms located in regular position defined by long distance symmetry. The structure of crystals gives each of them special and often unique properties essential for material culture of civilization. The rate of transformation of atomic structure motive of matter from liquid or gas state into crystals plays important role in series of industrial productions of variety construction and other industrial materials as well for research of earth minerals formation in geology and in space bodies in cosmology.

There is expanding industry for production of bulk single crystals for subsequent usage in electronics or for gems in jewelry. An optimization of the technology presumes increasing productivity that is equivalent in this case to finding a maximum rate of crystal growth securing in the same time a quality of the crystal that means keeping concentration of defects on atomic and higher scales on acceptable level. In ranking by influence on the product output the kinetics of crystal growth stays comparable very close here to the thermo- and mass- transportation phenomena.

The knowledge of how much lower temperature on the border of the crystal could be set during its growth without deviating from layer-by-layer mechanism of growth that provides the best possible quality of the crystal. For mass produced construction materials like metals and alloys, fine ceramic, Portland and high-alumina cements and for many other materials in industry the crystalline content of the product is strongly depend on time-temperature conditions of treatment of the raw mixture materials. Taking into account that different crystalline phases can have mismatched rates of their spreading out (crystal growth rates could be and mostly are different for them at the same temperature), the knowledge how atomic structure of crystals influences kinetic of crystallization could help in choosing strategy for experiment planning in development of the best quality products. There is necessity to avoid crystals formation during  production of materials with amorphous atomic structures like commonly used glasses or more exotic materials like fast frozen amorphous metals.

The knowledge of growth rate of crystals in initial melts as a function of temperature can provide guideline to defining minimum cooling rate that is nevertheless fast enough to avoid formation of the crystals in glass forming melts. Formation of thin films on monocrystal substrates in vacuum by physical or vapor deposition demands knowing the rate of crystal growth at given temperature. To obtain crystalline film the velocity of material deposition should be at least slower compare to the crystal growth rate. A petrography analysis of samples in geology or found in meteorite rocks permits to obtain their crystalline content. Additional information about relative growth rate of these different crystalline phases helps to deceiver a history of physical conditions of their places of origin.

E-Vault



The cataloged and browsable collection of articles, essays, intellectual property products, travel reports and other materials of such nature are collected under one roof.

Reader are encouraged to discuss content of the materials leaving comments to published pages.

Recent articles:

Monarch butterfly release at Fresh Pond, Cambridge MA.
It was 5th time when Monarch butterfly cultivated at Fresh pond were released in nature. Crowd in several dozen habitants of environmental sensitive Cambridge of Great Commonweals of Massachusetts outnumber about two dozen Monarch butterflies. They were delivered in two cages with plates of watermelon (important practical info). One by one Monarchs were executed out with finger of state trooper. Strange somewhere else phase but not for revolutionary Massachusetts.
Walden Pond is for all seasons.
Here are pictures of Walden Pond made by me at various years and seasons. One can see that it looks different year to year. Level of water is changing several feet during decade. About twenty years ago there was scene when completely covered by water meadows dried down so much that big tortilla had to escape into bid water. It surprised bunch of tourists.
Forest surrounds Walden Pond reservation.
All around Walden Pond there is forest. Trees growth strait all around on slopes of surrounding hills. In some sense all reservation reminds well-kept park that is indeed true.
Beavers at south meadow at Walden Pond reservation.
There are obvious signs of beavers presence at Walden Pond reservation, specifically at south meadow. Beavers build dam to ensure water level. There are several beaver houses old and new. At the meadow shore several trees are toppled apparently by beavers teethes. But beavers themselves never show up.
A statue of Henry David Thoreau at Walden Pond reservation.
There is statue of Henry David Thoreau who is environmentalist icon in front of the replica of his cabin in Walden Pond Reservation at the middle of parking lot. Here you can see it from any angle.
Main beach at Walden Pond, Concord Massachusetts.
Walden Pond is arguably the very best place for water swim lovers. Water is clean as could be. The beaches are never too crowded because limitations of parking lot and difficulties to come there otherwise than car. We ride there 15 miles one direction for one and half hours. It is manageable and even fun but even for bike and pedestrians the car lot close time is enforced, no walk in. It is unreasonable to my mind, sort of cruel. But this nuisance is compensated a lot by quality of the rest at beach. And you can learn now time of reopening at twitter not to waste time.
Sunday at Cape Cod by CapeFlyer in July 2018.
Arguable the cheapest and most relaxing option to get summer Cape Cod experience is CapeFlyer train from Boston to Hyannis with discount Sunday roundtrip tickets $15 for one. Bike is free. We tried it last weekend and there is slideshow about.
Temperature dependence of theoretical strength of materials with high melting temperature.
A method is proposed for determining the temperature dependence of the theoretical strength of refractory substances on the basis of an analysis of the function of the change in the potential energy of the body from the relative elongation, calculated from the experimental data on the modulus of elasticity, the coefficient of thermal expansion, density, temperature dependence of the heat capacity and melting point.
Why origin of Spy Pond name is Mirror.
In quiet weather Spy Pond behave like almost perfect mirror. Mirror in German based languages is Spiegel. At first Spy Pond had name Spie Pond -short of Spiegel. Pictures proves that this hypothesis has all merit to be true.
Intelligence community versus democracy
Secrecy is violation of first amendment and unconstitutional. Democracy and secrecy are incompatible. Russia investigation reveals out of control Intelligence Community that poses main threat to Democracy. Society must make a choice to be bent under the rule of new aristocracy admitted to secrets or declassify everything.

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Download links:

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Software products:
Application page: Link to install page: Price of license from:
(one day)
LeoDataAnalysis LeoDataAnalysis.msi $9.95 USD
LeoMonteCrystal LeoMonteCrystal.msi $124.95 USD
LeoNetCDF LeoNetCDF.msi. $49.95 USD
LeoFetch LeoFetch.msi. $4.95 USD
LeoCalculator LeoCalculator.msi. $4.95 USD
LeoPicture LeoPicture.msi. $4.95 USD
LeoConfidential LeoConfidential.msi. $4.95 USD

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