Google Earth puts a planet's worth of imagery and other geographic information right on your desktop. View exotic locales like Maui and Paris, as well as points of interest such as local restaurants, hospitals, and schools. Google Earth combines satellite imagery, maps, and the power of Google Search to put the world's geographic information at your fingertips. With Google Earth you can fly from space to your neighborhood--just type in an address and zoom right in, search for schools, parks, restaurants, and hotels. Get driving directions, tilt and rotate the view to see 3D terrain and buildings, save and share your searches and favorites and even add your own annotations.Version 4.2 adds the Sky in Google Earth feature, which lets you view millions of stars and galaxies. Note: Google Earth is a broadband, 3D application that not all computers can run. Windows-based desktop PCs older than four years may not be able to run Google Earth and Windows-based notebook PCs older than two years may not be able to run it. Editor's review of Google Earth Google the planet The latest version of Google Earth makes it, indubitably, the only free mapping app worth considering. Accessible enough for casual users, Google has been added features that make it a necessity for those whose topographic desires are more serious. Most of the interface's real estate displays a rendering of the globe, which slowly zooms in on a satellite image of your destination once you've keyed it in. The control panel has changed and is now translucent and sits unobtrusively in a corner of the map. The new diagonal movement control and flexible north anchor, so you can re-orient the map, are useful additions. The Layers, Places and Search panes are now a left-side navigation bar, and have more options for determining what information appears on the map. Everything from roads and restaurants to crime statistics can be displayed; subcategories and individual items can be unchecked to show only what you need. Google's driving directions are incorporated, and the user community has produced several nifty mods, including historical maps. There's also integration with Google's 3-D rendering program SketchUp, so you can design a building and see it in a real-life setting. The only downside to the program is that it can consume a large amount of RAM, so as the developer notes, older machines might experience performance issues. But everyone else is bound to love Google Earth, both as an entertaining novelty and an informational tool.

The GSA Image Analyser is a program to analyze 2D-Images of any kind. It can recognize and count objects in an image but also calculate the distance and areas in it. The images can be imported from many sources (file, scanner, microscope). This program is designed to solve many problems. It has been used for counting cells and calculating the size of plant roots. Version 2.8.9 improves speed on many analysis options.

MB Free Mayan Astrology Software determines your Mayan zodiac sign from your date of birth. This program gives you a detailed interpretation of the sign you belong to in the Mayan zodiac, your Mayan Day Number/ Galactic Number, your characteristic traits, lucky gemstone, your personality, the English name of your day sign and also some eminent personality born under your sign. This program also helps a person understand his personality.

Converts temperatures between Celsius and Fahrenheit. It can also convert both negative and positive numbers. Basic and easy to use. This version is the first release on CNET Download.com.

When the Radar Toolkit is launched, if connected to the Internet, you start with the current national radar image. Click on any of more than 140 local radar sites to view the local radar. Choose from six different radar images: Composite, Base, Storm Motion, Relative Motion & Precipitation Totals. 2x zoom and pan controls allow you to move around the image. Controls are also provided to turn on/off the various backgrounds. The program also features current satellite images for the eastern and western United States and the Weather Picture of the Day. Version 1.32 adds installer, unistaller and online help.

ChangeUnits is the original natural syntax unit conversion add-in for Excel. Unlike the built-in convert function from Microsoft, ChangeUnits understands virtually any combination of units and automatically checks to make sure each conversion is valid. ChangeUnits recognizes combinations of units just as you would write them no special formatting is required. Mix and match metric and standard English units. All conversions are automatically updated on-the-fly. ChangeUnits is free and seamlessly integrates with all versions of Excel. Version 3.2 may include unspecified updates, enhancements, or bug fixes.

ESPD is an expert system for the psychological interpretation of drawings. The purpose of the software is to help psychologists, psychiatrists, art therapists, teachers, social workers etc. who applies drawing tests for the psychological analysis of the personality. The program is designed for the interpretation of projective drawings, e.g. House-Tree-Person Test, Human Figure Drawings, Tree Drawings, Animal Drawings and Free Drawings. The analysis is performed with sophisticated artificial intelligence techniques. The result is a psychodiagnostic report with diagrams and psychological scales.Version 2.1.0.16 may include unspecified updates, enhancements, or bug fixes.

CD3WD Complete Part 6 Version 4. CD3WD is a one-stop product which contains information on 3rd world development topics. This part contains JFO Material - PDF files which are of size 2-8 megabyte. This material will regrettably not be made available online - it is only available through download.

This program determines half life of radio active elements by using graphs. Half life is defined and the graphs are used to measure the half life of standard samples. Unknown radio active samples are provided. The student can then apply the same technique to these samples and determine their half life. This is an excellent way to present the topic of half life as well as provide a simulation for laboratory work.

myNewton is a program to calculate all the necessary design data for building a Newtonian telescope, like primary and secondary mirror specifications, tube dimensions, focuser dimensions, or the center of gravity.

All-in-one freeware for acid-base equilibria learning and practicing, in high school, college or research laboratory, by: a) calculating the pH of any aqueous solution of acids and bases (strong, weak or polyprotic), salts and complex mixtures; b) generating graphics of the dissociated and undissociated fractions of acids and bases as a function of pH (distribution diagrams); c) evaluating the effect on pH by adding strong acid or strong base to a buffer; d) simulating complete acid-base titration curves (pH versus volume of titrant); and e) analyzing potentiometric titration curves by graphical methods with interpolation and smoothing or by nonlinear regression, to determine concentrations and pKas of real samples, from vinegar to acid rain. Version 3 is a single-file Excel workbook with seven spreadsheets comprising graphics, instructions, examples, database and visual basic macros, uninstalled while closing the file (former versions, from 1992 up, run only in DOS).

Universal Unit Convertor 1.0 is the absolute conversion tool between all human systems of measurement. The program allows conversion between: SI (International System of Units) / Metric System, British / Imperial System, U.S. Customary System, Natural Units System, and Non-Standard Units Systems. You will be able to convert all basic/base/fundamental units such as those of length, mass, time, electrical current, temperature, matter, and luminosity between the same system and other systems. Also you will be able to convert values of derived units such as: area, volume, speed/velocity, acceleration, etc. and derived units with specific names (standard and non-standard) such as: frequency, force, energy, power, pressure, charge, resistance.

CD3WD is a collection of high-quality 3rd world development information on agriculture, health, appropriate technology, construction, food processing, crop storage, woodwork, metalwork, electrical trades, education, and computer skills. All material is HTM and PDF, and is therefore platform independent.

TeslaMap is a free program that can quickly, easily, and accurately designs all parameters of your Tesla coil. Use the integrated database to save your designs and view proven designs from other coilers. You can print a coil design summary and export design parameters to text files. TeslaMap can be used with, and convert between standard and metric measurements. Real time help and advice makes designing easy for beginners, and the design checker help detect potential trouble in you design parameters. A help file is included in the installation package.

Best Converter XP is an easy-to-use unit conversion program to convert almost anything to anything else. Nice looking and comfortable interface, over 1000 units conversions, 60 categories, currency conversions with online rate updates, and custom units conversions.

Compscieng TravCalc is a specially designed and easy-to-use calculator. Users will certainly be surprised at its superb and complete functions. Not only does it have a very friendly user interface, but also provides extremely strong currency and physical units conversions. You can find almost all the common and even special and professional units(eg., barrel, cord, teaspoon, assay ton, scruple) available. Also the International System of Units, the U.S. system, and British Imperial system are all supported. You will certainly enjoy its powerful memorizing functions. As design, TravCalc is suitable for all kinds of users.

Customizable unit converter that converts easily between many kinds of measurement units, visible units are selectable. The program offers foreign currency exchange rates calculator that converts multiple currencies simultaneously using the latest rates updated from the Web site instantly. Powerful mathematical & scientific formula calculator calculates mathematical, algebraic, and trigonometric functions. Physical constants & elements information.

Convert from metres to yards, kilograms to pounds, atmospheres to pascals, or even barleycorns to metres. UC: Units Converter might just be for you. This easy-to-use Windows utility presents a simple GUI with more than 600 common (and not so common) conversions. Although you can freely use Units Converter without payment, you might want to purchase the help manual, which nicely integrates itself into Units Converter. That manual presents a glossary of terms, the multipliers used in the conversions (so you can check out the accuracy of these conversions), and a tutorial that describes this program's user interface, and error messages.

Physical Constants Reference provides you with the most commonly needed physics data right on your MS Excel Toolbar. Best of all, the reference data can be pasted directly into the MS Excel worksheet. No more searching large reference books or switching between windows to get the data you need it s right where you need it, in Excel.

World Weather Tracker captures global or local weather data on an around the clock fashion. Easy to use, you can view today's weather graphics or last years, and export them into AVI files. But, weather data isn't the only thing you can keep track of, pretty much any image that exists on the Internet. WWT focuses on local and global weather and some space data, but virtually you can track anything on an easy to use environment. Data is organized and stored, so it makes it easy to go back to a date and review the data collected. You can also overlay images, use transparencies, replace colors, and define colors and what they mean so that, with a click of a mouse you can easily identify features in the data. Create your own movie clips of data collected; manipulate the output by manipulating colors and adding overlays.

Windows interactive viewer showing day and night move across the world's timezones. View the current, future and past times of sunrise and sunset in 3000 locations worldwide. Check what the current local time is. Plot and animate a flight itinerary. View information about locations around the world where the sun is currently rising or setting. Produce a yearbook of sunrise and sunset times for a specific location. Calculate planetary positions and distances from Earth. View the Sun's compass bearing, angle above the horizon, and the colour of the sky during twilight. Animate the path of the Sun, Moon and major planets across the sky relative to an observer's horizon

RADMan is a "front-end" for NOAA weather Radar images that are freely available on the World Wide Web. RADMan will check the NOAA Web site for new Radar images every sixty seconds (user changeable) and will automatically add it to the Map collection display when available. New images are available approximately every six or ten minutes. depending on weather. Various types of Maps for the entire US. 8 Presets available.

Suncycle is a calendar with the sunrise and sunset time for a latitude/longitude and time zone. The moon ephemeris is also available. There is a graphic that shows the suncycle for the running year. You can configure in the about screen the winter and summer time offset (The daylight saving for the northern and southern hemisphere is available). On the sunrise/set a media file can be activated (image and sound).Suncycle may be set in the systray (the application shall disappear from de desktop and the status bar, but the application suncycle will still been running and gives in the systray hint the ephemeris). The help file explains the majors options of Suncycle. Version 1.0.9.3 may include unspecified updates, enhancements, or bug fixes.

Six independent high-resolution (down to 0.01second)timers are conveniently shown on a single screen. Individual Start and Stop buttons for every timer. Count-down sound alarm. You do not need to uninstall the trial version, the full version will overwrite the trial software.

EngiLab Beam.2D ML is an engineering tool for the linear static analysis of plane frames for Windows. It features a full GUI (Graphical User Interface) for pre-processing or post-processing and uses the Finite Element Method (FEM) for plane frames for its analysis purposes. Version 1.1 comes with updates installer.

TNTmips is a professional geospatial analysis system providing a complete self-contained integration of a fully featured GIS, RDBMS, and automated image processing system with CAD, TIN, surface modeling, map layout and innovative data publishing tools. All this capability is available in a single integrated system at one price with an identical interface, functionality, and geodata structure for use on Windows, Mac OS X, Sun Solaris, and popular Linux platforms. The interface, database text content, messages, map production, and all other internal aspects of TNTmips have been localized for use in 27 languages including Japanese, Chinese, Arabic, Turkish. Thai, Urdu, and all romance languages. The professional version of the TNTmips is in use in over 120 nations while the free TNTlite version (restricted in project size) is used for educational, self learning, and small projects (for example archaeological sites, neighborhood planning, and precision farming).

EngiLab Rod.2D is a powerful engineering tool for the linear static analysis of plane (2D) trusses for Windows, using a 2-Degrees of Freedom per node approach. It features a Full GUI (Graphical User Interface) for pre-processing or post-processing and uses the Finite Element Method (FEM) for plane trusses for its analysis needs.

View up-to-the-minute Doppler Weather Radar as it happens, from the National Weather Service, updated every 10 minutes nationwide. Six different scans show current precipitation, rainfall for the last hour, total rainfall for the storm, and total storm intensity. View long-range radar and short-range radar. It features a color-coded legend on every map; view a national composite radar. Touch any storm and go instantly to the Site Map for that region. All maps can be scaled to fit the window, or in full size for full detail. Simply touch the map near an edge to move the view in any direction.

Telescope Simulator features an easy interface and displays astronomical objects as they may appear with a real telescope. Included objects in retail version are: Moon, Mars, Jupiter, Saturn, and the Pleiades. Telescope Simulator is designed for beginner and amateur astronomers who want to better understand how the dynamics of telescopes work together to create a view. Simply click and drag the slider controls or enter data entry fields. Controls include: focal length, aperture, eyepiece focal length and apparent field of view. Calculations include: magnification, focal ratio, exit pupil, field stop and true field of view. This version is the first release on CNET Download.com.

Software developed to perform electromagnetic scattering simulations mainly based on classical Mie theory solution. ScatLab features: scattered intensity polar diagrams for coated and uncoated spherical particles; scattered intensity versus theta graphs for coated and uncoated spherical particles; scattered intensity versus radius graphs for homogeneous spherical particles; extinction, scattering and backscattering cross section graphs; angle depolarization graphs; near field imaging for homogeneous spherical particles; Lorentz and Drude dielectric function implementation for refractive index calculation; support for T-matrix method computations.

From the developer: "Multifunctional periodic system of chemical elements, best PC implementation of this well-known system. It provides an exhaustive information on each element (more than 30 data types for each chemical element) and special built-in calculator to balance the most complicated chemical equations. The program offers a lot of extended features such as supporting database of chemical reactions, producing variety charts of different properties of chemical elements, illustrating metal activity series and giving more then 20 different presentations of the periodic system of chemical elements. This update features minor enhancements and bug fixes."

GetData is a program for digitizing graphs. If you have an X-Y plot of some data, but not the original data points, and you need to manipulate the data, than you have to digitize the graph. GetData allows to do this by setting points right over the bitmap and saving the results in text file.

From the developer: "Quantum Atomica is a program developed specifically to visualise the hydrogen orbitals in a variety of ways, by plotting the solutions to Schrodinger's Equation. The program is primarily aimed at teachers teaching physics or chemistry in secondary schools."

A program to allow the very fast modeling of fluid flow, and the visualization of the streamlines and pressure distribution. Rectangular and circular sections can be entered as well as aerofoils. Example files are included, and many editing tools are provided. A website gives a message board to exchange views.

WinConverter can convert about 1200 various types of measurement units in 50 categories from one system of measure to another. You can add new unit to existing category or you can create a brand new category. The categories include: Acceleration, Angle, Area, Capacitance, Charge, Concentration Molar, Conductance, Current, Data Storage, Data Transfer, Density, Digital Image Resolution, Energy, EU Currency, Flow, Flow - Mass, Flow - Molar, Force, Frequency Wavelength, Fuel Efficiency, HVAC Efficiency, Illumination, Inductance, Latent Heat, Length, Luminance, Mass, Numbers, Permeability, Power, Pressure, Radiation, Radiation - Absorbed Dose, Radiation - Activity, Radiation - Exposure, Specific Heat, Temperature, Temperature Interval, Thermal Conductivity, Thermal Expansion, Time, Torque, Typography, Velocity, Velocity - Angular, Viscosity - Dynamic, Viscosity - Kinematic, Volume, Volume - Dry and Volume - Lumber.

Simulate the interference between two circular waves, for instance surface waves on water. A good supplement to experiments with a ripple tank. Vary wave source separation, wavelength and phases. Create a 2D or 3D stationary pattern or an animation. Study how the waves interact to build the interference pattern. 5 educational activities included.

This program draws chaotic fractal images, called Strange Attractors, and those with other math functions. It can either do it randomly or with user input. It saves the images to your disk as Windows bitmap files. This update features unspecified enhancements.

Software POLAROGRAPH.com (former Polar) is virtual polarograph and general electrochemical simulator. It analytically and digitally simulates voltammograms (polarograms) on virtually any mechanism at 9 electrode geometries (planar, spherical, semi-spherical, cylindrical, semi-cylindrical, microdisc, thin film, and rotating electrodes) in over 5 techniques (linear sweep and CV, DC, normal pulse, differential pulse, and square wave voltammetries). It also simulates effects of charge current, resistance, noise, electrolyte, stripping time, stripping potential, pH, etc.

CHEMIX School is an educational tool for learning chemistry. It is geared toward college-level chemistry, but is also appropriate for high-school students, chemists, and teachers. It is equipped with a periodic table, molecular 3-D viewer, curve fit, conversion table, dictionary, and advanced calculators for molecules, thermochemistry, electrochemistry, weak acid/base/buffers, solubility (Ksp), gas equations, spectroscopy and stoichiometry (balance). Chemistry lessons and problems are included.

This tool gives you the possibility to use your internal PC-speaker as a little frequency generator. You may just test your ears or you even solder a little outlet to the PC-speaker wires to get the signal out of the box supplying special electronic devices (i.e. a scope)... Features: Supported frequencies: 20 Hz - 100 kHz, Uses the common internal speaker controller PIT 8253/4.

Physics Simulations is an interactive physics teaching software, which brings the information and computer technologies right where they are mostly needed--in school. The project unlocks the power of ICT to simulate processes with animation and calculate complicated quantities and uses it to ease the education in the school subject whom we used to determine with one word--complicated--the physics. This version is the first release on CNET Download.com.

StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also the more than 100,000 stars, all in real-time 3D. You'll also find galaxies, nebulae, supernova remnants, and the band of the Milky Way. StarStrider combines photo realism and scientific accuracy with plain fun and beautiful vistas. Optional add-on with 2 million stars.Version 2.8 allows you to add your own planets & satellites, features on-screen help and Kuiper belt objects.

Natura Sound Therapy software is the ideal tool to improve your quality of life. You can quickly achieve states of relaxation or concentration with Natura. Featuring 34 nature and music sounds and many special visuals, Natura can help you concentrate for work or study, unwind and relax, or even fall asleep more quickly. Natura gives you instant access to customized mood enhancement with unique presets of sounds, colors, and visuals. Version 3 features: 24 new sounds added, relaxation module added, Full featured brainwave synchronizer added, 38 factory presets added brainwave visual added, 12 video visuals added, color picker added, new background images added, visual and audio plug-in capability added, and timer with chime or alarm added.

User friendly FREE Windows Utility to easily convert between 522 units of measurement in 20 categories. Includes Units for Temperature, Distance, Mass, Area, Volume, Pressure, Velocity, Acceleration, Force, Energy, Power, Fuel Consumption, Flow, Torque, Illumination, Luminous Intensity, Angles, Time, and Radioactivity. Looks best in 16-bit or better Colour. Users can choose between English International (Default) and English (US). Version 6 improved Vista support and includes more conversions.

Get Physics help with our award-winning interactive physics tutorials, featuring quizzes with feedback, simulations, and other exercises to help with both the basic and difficult topics in physics such as vectors, quantum mechanics, kinematics, Newton's law, nuclear theory, formula derivation and electromagnetic theory. General Physics is ideal for AP high school and college learning. This version is the first release on CNET Download.com.

Intelli Balancer is the best chemical equation balance software, it will help you to easy type in chemical equation with enhanced editor and balance your chemical equation just in a click. Version 1.1 may include unspecified updates, enhancements, or bug fixes.

Virtual Reality of the Red Planet Mars-3D. Covers the years 2004-2007 of the MER-Mars Exploration Rover Spirit Mission. Take a virtual tour of the planet and get 3D views of surroundings or soil samples. In any panorama click hot spots, zoom in or out for details or wider panoramic views. See many Martian landscapes from any angle, craters, mountains, rocks, microscopic images. Use satellite maps for faster navigation or localization and easily access 3D images of the Red Planet. If you wish, you can watch it as a movie as well, just play demo. VRMars-Spirit - The Red Planet Mars 3D is a VRPresents technology-based hobby software on DVD recommended for scientists and hobbyists interested in astronomy, cosmos, planets, solar system, space flights, science, galaxies, stars. It is a very useful presentation, similar to 3D games, containing a comprehensive information on Mars. Recommended for schools and other education related entities, for teaching purposes, and the wider public.

Check out and download our newly developed medical software: M.I.N.D. (Metabolic Irregularities Narrowing down Device). This is all-in one intelligent medical calculator, acid-base and electrolyte analyzer with artificial intelligence differential diagnosis capabilities (and stratification based on a diagnosis score). These results are presented realtime and a score is attributed to a suspected diagnosis: e.g. Low GFR (calculated) adds a point to renal failure, high LDH adds a point to hypothyroidism, High A-a gradient adds a point to PE. It also calculates anion gap, osmolar gap, delta-delta and integrates them to the acid base analysis and differential.

Model ChemLab is a unique product incorporating both an interactive simulation and a lab notebook workspace with separate areas for theory, procedures and student observations. Commonly used lab equipment and procedures are used to simulate the steps involved in performing an experiment. Users step-through the actual lab procedure while interacting with animated equipment in a way that is similar to the real lab experience.Version 2.5 adds enhancements to LabWizard tool for lab creation, added Light-Catalyzed Bromination of Hexane lab, standardization of a NaOH Solution lab, light source, new file association, supports drag and drop functionality.Editor's review of ChemLab With this virtual laboratory, you can run experiments without fear of chemical burns or glass breakage. ChemLab comes with seven preloaded experiments, as well as a free-form mode. The Introduction and Procedure tabs in the left-hand window tell you what the experiment proves and how to perform it. The Observations tab lets you record your data. The interface provides buttons for the most common pieces of equipment and chemicals, but we preferred using the right-click context menu. You can save your work as LAB files to reopen later. Printing will print the Observations tab and the main experiment window. The Lab wizard lets you build your own experiments by setting the chemicals, reactions, and expected outcomes. It takes a lot of chemistry knowledge to build your own experiment, and we had to refer to the help file to figure out how to perform certain actions during the preloaded experiments. The accuracy of reactions makes ChemLab educational for high school students, but the interface and ability to go off-book make it fun.

QuickField is a Finite Element Analysis package for electromagnetic, thermal, and stress design simulation with coupled multi-field analysis. Student's QuickField is a free but full-featured analysis program with limited number of mesh nodes. You can use it to simulate simple engineering problems, to learn the main features of the Professional version, or, as a free viewer, to publish your design ideas accompanied by QuickField models.