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Stories about: radiowave

Earth Is Smaller than Previously Thought! No, the world does not fit into your hands, but is smaller than people believed when they previously measured it. The discrepancy is minute, but the team of geodesists from the University of Bonn says it is significant. They have remeasured the size of the Earth, as part of a long lasting international cooperation pr... 6 July 2007 06:11 GMT New World Record in High-Frequency Waves Extremely high frequency is the highest radio frequency band. EHF runs the range of frequencies from 30 to 300 gigahertz, above which electromagnetic radiation is considered to be low (or far) infrared light, also referred to as Terahertz radiation. This band has a wavelength of ten to one millimeter, giving it the ... 16 April 2007 10:51 GMT