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Home & Education - Science

 WordNetOnline dictionary

 WordNet-Online free dictionary and hierarchical thesaurus of English. Very easy to use! Definitions, synonyms, antonyms, hypernyms, hyponyms, meronyms, holonyms, derived forms and sample sentences....

 SimSolar

 SimSolar - Solar System Simulator for Windows. Planet labels and orbits can be activated for easier understanding. Includes simple display and controls, speed control, tilt and rotation options for easy viewing, earth centered mode and spirograph option for showing movement patterns such as retrograde motion, options for scaled planet and orbit sizes, and over 150 years of range. For convenience, a color selector, print controls, jump to today button, hide controls button, and restore defaults button are included. Registered version includes photo-realistic moon phase display, planet images, information pages for the nine planets and the sun and moon, an alignment finder, and a Galilean Moons of Jupiter simulator. For screen shots, further explanation, and order information visit www.pwr-tools.com/simsolar....

 Newton's Aquarium

 Newton's Aquarium is an interactive physics package that helps students visualize and understand Newton's Law of Universal Gravitation. While creating and exploring their own solar systems, students encounter the core concepts in classical physics....

 Earth Explorer DEM

 Earth Explorer DEM integrates high-resolution shaded relief topographic imagery (built from 1km resolution digital elevation model) with kinds of map layers such as political boundaries, coastlines, rivers, lake and island boundaries, 267 countries and regions, 40000+ ranked cities, 15000+ islands, and 1700+ noteworthy historical earthquakes since 1980 into a fantastic 3D earth globe. You can specify what kinds of map layers to be shown, rotate the globe, click right mouse button and pull/push to zoom in/out the current map view, measure distance between any two points on the map, etc. Key features: 1. A 3D bird's-eye view of our beautiful earth; 2. Photo-realistic shaded relief topographic imagery at 1km resolution covered entire earth globe; 3. Integrates with several kinds of map layers: Vector map layers: 1) Political boundaries (International boundaries and internal boundaries); 2) Coastlines, lakes, islands and rivers; 3) Longitude-latitude grids; Point map layers: 1) 267 countri...

 Audio Multi-Tone Generator

 Two-channel multi-tone audio frequency sinusoidal and noise signal generator is intended for adjusting and measuring parameters of audio equipment. Works with 16, 24 and 32 bit sound cards at sampling rate up to 384 kHz. WDM drivers support. Independent channels frequency and amplitude controls. Adjustable phase shift between channels. Up to eight oscillators per channel with separate frequency and level setting. A step of frequency setting is 0.00001 %; level - 0.001 dB; phase - 0.001 degree. The minimum coefficient of nonlinear and intermodulation distortion, precision, stability and range of frequency are limited only by quality of the used sound card. The Sweep Frequency Mode with adjustable rate in linear or logarithmic scale. Multi Oscillators Sweep Frequency Mode. Generation of noise: white, pink (1/f), Brownian (1/f^2). Mode of amplitude modulation of one channel by another. Real time signal synthesis. Recording of synthesized signals to hard disk. The demo is completely functi...

 Horsepower Lab 1D

 Software package for numerical simulation of gasdynamics phenomena in pipelined systems. Horsepower Lab 1D makes specific emphasis on modeling piston engines gas-exchange based on prediction of wave action in engine ducting and so it can be used to analyze tuned pipe design of piston engines. Runs on Windows 95/98/ME/2000/XP/2003....

 Unit Converter EX

 Unit Converter EX is a simple and free utility that helps you make easy metric conversion between various units and measurements, including weight, length, volume, area and more. To do your conversion, simply select the type of the units in the selection box and chose units that you would like to do conversion between. Then, if you enter a numerical value in one of the text fields, you get the converted value in the other field. It rounds results to the desired number of significant digits selected by you....

 Exploring Nanotechnology

 Exploring Nanotechnology, the only multimedia CD-ROM encyclopedia in the field, was conceived to provide an understanding of nanotechnology and its implications. Containing extremely intuitive multimedia explanations of the concepts, technological processes and applications of nanotechnology, summary charts show the major players associated with each concept along with the references necessary for further insight. The encyclopedia is destined for a worldwide audience of: industrialists, technology analysts and decision makers looking for an insight into tomorrow; scientists trying to cope with the inherent interdisciplinarity of a field; students and the general public looking for a highly intuitive presentation of nanotechnology. Exploring Nanotechnology represents the fruition of the cooperation between more than 200 scientific groups active in the field. It includes snapshots of real-life research from the most active laboratories as well as multimedia presentations of the main play...

 LcStars

 Astronomical planetarium in color and easy to use, with which you'll be able to contemplate 28,695 objects of the firmament and the phenomena and the most interesting astronomical movements of the past, the present and the future. You can observe the sky from any Earth place, in the date that you determine (from the 12 hours of January, 1 of 4,713 A.C. until the 23 hours and 59 minutes of December, 31 of 7,999 D.C.), selecting the type of objects that you wish to see and there minimum magnitude. Also you can consult the position and other data relative to 3,654 celestial objects, to locate them in the sky at any time, to animate the images to study the movements of the stars and the planets, to display inverted the image of the sky as it appears in the viewfinder of a telescope, to print any image of the screen and other many possibilities that you will be discovering as it is advancing in the knowledge of the program....

 FEAview

 FEAView is a finite element modeler and post-processor for linear static problems using MSC. Nastran. It supports all the elements, properties, materials, and loads commonly used in structures problems. FEAview has its roots in aircraft structural analysis. It is rich in graphics and transforms the model and solver results data into readily comprehensible 3D graphical and tabular displays. FEAview is on sale until Version 2.0 is released. Version 1.8 that concentrates on improving the program's meshing capabilities. See our web-site, fe-tools.com, for development plans....

 EngCalc (Palm)

 340+ formulae catering to Mechanical Eng., Hydraulic Eng., Structural Eng., Machine Design, Electrical Eng., Fluid Mechanics, Heat and Mass Transfer, Thermodynamics, Pulp and Paper, HVAC, Heat Exchanger & Pipe Flow and more ... Unit Converter (FREE !! $14.99) Most comprehensive unit converter 1000+ Units & 10000+ Conversions. Can add more to it. (Free !! $4.99) Scientific Evaluator. Property Tables. Ohms Law Caluclator....

 Ribbit

 Ribbit is a little program that lets you use LaTeX in word processors such as Microsoft...

 Audio Spectrum Analyzer

 Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals....

 Cats Eye (Grizy

 You may use the different types a pupil of an eye to achieve grandiose video-effect and/or simply studies as that or other thing sees the cat. Irreplaceable exhibit for scientist and creators cinema-video product....

 Planet's Orbits

 Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto) and lunar positions. The calculation of the positions of the satellites of Jupiter, Saturn, and Uranus is done by the various analytic theories given in the Explanatory Supplement to the Astronomial Almanac (1992).The positions of the other objects (asteroids, comets) are calculated by it's osculating orbital elements. Therefore the positions of these objects are accurate only for a small period of time.The version 1.7. shows the positions and trajectories of various spacecrafts.The most noteworthy functions are date specification (past, future), 2D/3D orbital animation and custom zoom, orbits of 10000+ asteroids and comets from different databases, simple database handling and updates, printing, statistic, and information windows....

 Gas Dynamics Software

 This program calculates thermodynamic and transport properties of gaseous, liquid and solid species (TP, HP and SP), according to U.S. customary and International units. The user can analyze power cycles (Carnot and Brayton), power cycle components and processes (compression, combustion and expansion) and compressible flow (velocity of sound, Mach number, stagnation and static properties, nozzle, normal shock, diffuser and thrust).This software package should prove to be a good tool for those who are involved at various levels with design, operation and management of propulsion systems. It should provide the user with the opportunity to more quickly, easily and effectively do his/her work, explore more options, save time and give more confidence in carrying out engineering calculationsThermodynamic and Transport PropertiesTemperature and Pressure (270 K T 5,000 K), Enthalpy and Pressure, Entropy and PressurePower CyclesCarnot, Brayton (Power and Propulsion)Power Cycle Components/Proces...

 American Notes

 American Notes by Rudyard Kipling. Written by the first ever British Nobel prize recipient for literature, Indian born Kipling details his travels to San Francisco in the lat 19th Century.   American Notes - It is hardly fair to Mr. Kipling to call American Notes first impressions, for one reading them will readily see that the impressions are superficial, little thought being put upon the writing. They seem super-sarcastic, and would lead one to believe that Mr. Kipling is antagonistic to America in every respect. This, however, is not true. These Notes aroused much protest and severe criticism when they appeared in 1891, and are considered so far beneath Mr. Kipling's real work that they have been nearly suppressed and are rarely found in a list of his writings....

 Nanotechnology Patent Index Database

 Database of nanotechnology Patent Index, 2000-2005. Tested with materials scientists and technical librarians, this product is essentially one common database which combines the entire patent publication history for this period (15,000 documents). It provides you with many possibilities for retrieving archival information as well as discovering the latest research in the nanotechnology and analyzing the previous trends in patent filing on various research subjects. Your Nanotechnology Patent Index Database Database CD-ROM includes: US PTO, WO, Patent Abstracts of Japan, EP and other patents. Each record includes complete information about patent number, the title, names of inventors, patent assignee name and code. A web quest option allows you to carry out an automatic search for full text of the patent....

 Mars Pathfinder

 Study the Mars mission in exacting detail - accurate to 16 significant digits. Experiment with thrusts, change the configuration of the trajectory to save fuel and time... Plot out the results of each trial graphically, or study the hard numbers. This is the real thing ~ exactly the way NASA does it, right down to the typical five thrust configuration. Everything is there and described in layman's terms, nicely illustrated. The complete source code is also included....

 VRMars-Spirit

 Take a virtual reality tour of the planet Mars and get 3D views of surroundings or soil samples. 4GB on DVD... Covers the years 2004-2007 of the MER-Mars Exploration Rover Spirit Mission... 6 quickly switchable resolutions of viewing. See many Martian panoramas from any angle, craters, mountains, rocks, microscopic images and other features of the Martian landscape in an easy way... In any panorama click hot spots, zoom in or out for details or wider panoramic views. Use satellite maps for faster navigation or localization and easily access 3D images. If you wish, you can watch it as a movie as well, just play demo. VRMars-Spirit - The Red Planet Mars 3D is VRPresents technology-based hobby software on DVD, released by Sciterian Technologies, recommended for people interested in astronomy, cosmos, planets, solar system, space flights, science, galaxies, stars, nebulae, the Milky Way Galaxy... It is a very useful presentation on the planet Mars, similar to a 3D game, containing not only...

 


 
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