multifrequency antenna

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Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor … Wikipedia
Tesla's oscillator — is a mechanical oscillator conceived of and invented by Nikola Tesla in 1898. It is also referred to as the Earthquake Machine. The machine which Tesla tested was small, around seven inches long, and weighing only one or two pounds; something you … Wikipedia
telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… … Universalium
Negative index metamaterials — A negative index metamaterial causes light to refract, or bend, differently than in more common positive refractive index materials. Negative index metamaterials or negative index materials (NIM) are artificial structures where the refractive… … Wikipedia
GIOVE — GIOVE, or Galileo In Orbit Validation Element, is the name for each satellite in a series being built for the European Space Agency (ESA) to test technology in orbit for the Galileo positioning system. [ [http://www.esa.int/esaCP/SEM10V638FE… … Wikipedia

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