Ionic Bonding 

Chemistry teaching software which simulates the bonding of Ionic compounds on screen. Learn how Ionic compounds are formed by atoms gaining and losing electrons. Includes a reference section to support students learning.
chemistry software chemical bonding high school chemistry chemware chemical bonds atomic structure periodic table atom ionic bond chemistry chemical science ionic bonding ionic

Covalent Bonding 

Chemistry teaching software which simulates the bonding of covalent compounds on screen. Learn how covalent compounds are formed by atoms sharing electrons. Includes a reference section to support students learning with basic facts and information.
chemistry software chemical bonding high school chemistry chemware chemical bonds atomic structure periodic table atom covalent bond chemistry chemical science covalent bonding covalent

The Atom Builder 

Chemistry teaching software which simulates the building of any of the first 20 atoms (up to calcium) on screen. Learn how atoms are formed from electrons, protons and neutrons and how the electrons are arranged in shells or energy levels.
chemistry software atomic structure high school chemistry chemware chemical bonds periodic table atom chemistry chemical science atom atomic protons neutrons

3D Chemical Elements ScreenSaver 

Have you ever imagined the smallest bricks of the Universe - all that atoms with their protons, neutrons, electrons and quarks? With this 3D Screensaver you have the unique opportunity to see how they look like in reality with amazing visual effects.
screen saver screensaver desktop 3d mendeleev chemical element atom electron proton neutron bore nucleus

Planet Mercury 3D Screensaver 

Mercury is the closest planet to the Sun. The planet can only be seen from Earth just before sunrise or just after sunset. But of course you can always download Planet Mercury 3D screensaver that will get you acquainted with this mysterious planet!
mercury space planet free download space screensaver 3d screensaver free screensaver screensaver screensavers screen saver screen savers download screensaver screensavers download 3d screensaver download

PC Surgeon 

PC Surgeon is a powerful tool that will diagnose, monitor and repair your Windows XP (NT,2000 supported) platform. Over 70 features and functions. Tools to recover passwords, recover deleted files and easily tune-up the whole system
pcsurgeon utility system diagnostic monitor capture trace repair doctor network workstation keepalive