This java applet illustrates electrostatic fields and potentials and static current distributions in two dimensions. It offers a broad range of interactive simulations, from simple single and double charges to highly...

This course, taught by Prof. George Barbastathis of the Massachusetts Institute of Technology, concerns the theory and practice of optical methods in engineering and system design, with an emphasis on diffraction,...

Create a 20 word crossword puzzle with ease using this crossword puzzle game creator. A fun and easy way to test students knowledge on any classroom subject.

The good folks at the Mathematical Association of America (MAA) are always on the lookout for mathematical principles in the least likely of places, and this gallery of "found math" is a tribute to their perspicacity....

The Two Micron All Sky Survey at IPAC website provides an image gallery of the solar system's objects, Jupiter's moons, H II regions, star formation regions, and reflection nebulae, open star clusters, globular star...