Atoms Protons Neutrons Electrons

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow though the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. Platforms: Mac

How do you know if a chemical equation is balanced? What can you change to balance an equation? Play a game to test your ideas! Sample Learning Goals * Balance a chemical equation. * Recognize that atoms are conserved in a chemical reaction. * Describe the difference between coefficients and... Platforms: Mac

A capacitor is a device for storing charge. In this simulation, you can investigate a relatively simple capacitor, known as a parallel-plate capacitor. It consists of two identical metal plates, placed parallel to one another. The capacitor can be charged by connecting one plate to the positive... Platforms: Mac

How did Rutherford figure out the structure of the atom without being able to see it? Simulate the famous experiment in which he disproved the Plum Pudding model of the atom by observing alpha particles bouncing off atoms and determining that they must have a small core. Platforms: Mac

123Tag is an easy-to-use and powerful Tag editor and file renamer for MP3,MP4,WMA and many other audio formats, useful to manage and catalog all your music files. 123Tag helps you also to find and catalog  the huge amount of music files that usually are stored and disperded on your PC,... Platforms: Windows, Windows 7, Windows Server, Other

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 containing history, 19 physical properties + number of stable isotopes,... Platforms: Windows, Windows 8, Windows 7, Windows Server

A nice and entertaining game that has a bit of science behind it. It requires really good reaction from the player, and is fun just to watch. Help little Demon to separate color flying atoms into different rooms, as fast as possible, and this World will be saved. Take part in the online contest... Platforms: Windows

Atomaze is a unique puzzle game, combining strategy and logic. Your goal is to place atoms so that there were no gaps between them. There are three types of atoms: blue, green and red. Blue atoms can be replaced with any other atoms. Green atoms cannot be replaced, but they can be rotated... Platforms: Windows

This great free screen saver will soothe your eyes and mind during long workhours. Colourful atoms floating in space around your desktop, getting fused and nuked all the time. You can also download arcade game and take part in all this fun yourself - it's better than Star Wars. Small... Platforms: Windows

For the set of chemical elements (Ba, Sr, Ca and so on) there is a function enabling to print capital and small letters without switching by "Shift" and "Caps Lock" keys. Figures specifying the number of atoms in chemical formula (H2SO4) are automatically made subscripts, and atom's oxidation... Platforms: Windows

Language::Basic::Expression is a Perl package to handle string, numeric, and boolean expressions. SYNOPSIS See Language::Basic for the overview of how the Language::Basic module works. This pod page is more technical. # Given an LB::Token::Group, create an expression I parse it my $exp =... Platforms: *nix

The Elektra Project provides an alternative back-end for text configuration files. Instead of each program to have its own text configuration files, with a variety of formats, Elektra tries to provide a universal, hierarchical, fast and consistent namespace and infrastructure to access... Platforms: *nix

Chemistry::Mol is a molecule object toolkit. SYNOPSIS use Chemistry::Mol; $mol = Chemistry::Mol->new(id => "mol_id", name => "my molecule"); $c = $mol->new_atom(symbol => "C", coords => [0,0,0]); $o = $mol->new_atom(symbol => "O", coords => [0,0,1.23]); $mol->new_bond(atoms => [$c, $o],... Platforms: *nix

Rsync::Config is a Perl module for rsync configuration generator. Rsync::Config is a module who can be used to create rsync configuration files. A configuration file (from Rsync::Config point of view) is made by atoms and modules with atoms. A atom is the smallest piece from the configuration... Platforms: *nix

Mail::IMAPTalk is an IMAP client interface with lots of features. SYNOPSIS use Mail::IMAPTalk; $IMAP = Mail::IMAPTalk->new( Server => $IMAPServer, Username => foo, Password => bar, Uid => 1 ) || die "Failed to connect/login to IMAP server"; # Append message to folder open(my $F,... Platforms: *nix

LAMMPS project is a Molecular Dynamics Simulator. LAMMPS has potentials for soft materials (biomolecules, polymers) and solid-state materials (metals, semiconductors) and coarse-grain systems. It can be used to model atoms or, more generically, as a parallel particle simulator at the mesoscale... Platforms: *nix

UpTime Log, designed to help you track Macintosh usage. Basically, it records how long your Macintosh is being run between restarts. This could be useful on Macs being run as servers, but also on single-user Macs to find out "how much time am I spending at my Mac?" Platforms: Mac

ConverTable Planets is designed to answer that age-old question, "if a widget weighs 34 stones on Earth, just how many troy ounces would that widget weigh on Mars?" In doing so, ConverTable Planets could be used to teach about unit conversions and gravity. Platforms: Mac

ConverTable Units is a program that accurately converts units of measurement to other units. For example, convert inches into centimeters or miles. Platforms: Mac

ConverTable Units is a program that accurately converts units of measurement to other units, and teaches unit conversion techniques. ConverTable Units is expandable with plug-ins. Over 450 units available. Platforms: Mac