(from the article `satellite communication`) Satellites provide communications links via microwave radio, most commonly in the superhigh-frequency band of 3 to 30 gigahertz (3 billion to 30 ... The superhigh frequency to extremely high frequency (SHF-EHF) bands are in the centimetre to millimetre wavelength range, which extends from 3 .... Found on http://www.britannica.com/eb/a-z/s/81
(from the article `Japan`) ...haiku as a literary form. Bash found the existing haikai style unsatisfying. He began writing hokku (17-syllable opening verses for renga) as ... Found on http://www.britannica.com/eb/a-z/s/85