long-wave length
91500 kHz — Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication. The United States Coast Guard and comparable agencies of other nations …
92Mast radiator — A typical mast radiator in Chapel Hill, North Carolina. The high RF voltage on the mast can deliver a dangerous electrical shock to anyone touching it, so the base is surrounded by a fence to prevent access …
93pelecaniform — [pel΄ ə kan′ə fôrm΄] adj. of, or having the nature of, an order (Pelecaniformes) of swimming birds having all four toes connected in a webbed foot, including pelicans and cormorants * * * ▪ bird Introduction any of the relatively large and… …
94Pakistan — /pak euh stan , pah keuh stahn /, n. 1. Islamic Republic of, a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947 71 to distinguish it from East Pakistan (now Bangladesh).… …
95Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
96Science of photography — refers to the use of science, such as chemistry and physics, in all aspects of photography. This applies to the camera, its lenses, physical operation of the camera, electronic camera internals, and the process of developing film in order to take …
97Shiva laser — The Shiva laser was a powerful 20 beam infrared neodymium glass (silica glass) laser built at Lawrence Livermore National Laboratory in 1977 for the study of inertial confinement fusion (ICF) and long scale length laser plasma interactions. The… …
98Saint Petersburg — Leningrad redirects here. For other uses, see Leningrad (disambiguation). This article is about the city in Russia. For other uses, see Saint Petersburg (disambiguation). Saint Petersburg Санкт Петербург (Russian)   Federal …
99agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
100Hair weave — Hair weaving is weaving or braiding human or synthetic hair into existing natural hair. It is also known as Hair Integration. The hair extension is woven to cornrowed hair or to small sections of loose hair. Not maintaining hair extensions… …
