âThe source of the credit card charge is not the subscription department of the magazines but rather some kind of service,â she wrote. âThe bill shows a telephone number, but you get only an automated voice routine, not a human being. The number is (877) 754-4892.â. Naturally, the Haggler Googled those digits.
An atomic laser based on neon atoms and pumped by a soft-X-ray (that is, a photon energy of less than one kiloelectronvolt) free-electron laser has been achieved at a wavelength of 14 nanometres. Here, we use a copper target and report a hard-X-ray inner-shell atomic laser operating at a wavelength of 1.5 angstroems. Ã¥ngstrÃ¶ms
line - a single frequency (or very narrow band) of radiation in a spectrum. microwave - a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data. radiation - energy that is radiated or transmitted in the form of rays or waves or particles. radio emission, radio radiation, radio wave - an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m.