Electromagnets can be used to harvest free iron from lunar soil, known as regolith. Iron is important to the US plans for a lunar outpost. It does not rust in space, making it an excellent construction material....
Photonics and optical communications, after the exuberant growth and subsequent down turn in late 1990s and early 2000s, have entered a more mature and stable growth phase. As the technology of choice for long distance,...
This site provides a tutorial on electromagnetic waves using animated graphics. The tutorial gives the student the ability to visualize circularly polarized waves, the superposition of various types of polarized waves,...
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