excessive heating
121Mobile phone radiation and health — A man speaking on a mobile telephone The effect of mobile phone radiation on human health is the subject of recent interest and study, as a result of the enormous increase in mobile phone usage throughout the world (as of June 2009 …
122Electric arc furnace — An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 …
123Friction stir welding — (FSW) is a solid state joining process (meaning the metal is not melted during the process) and is used for applications where the original metal characteristics must remain unchanged as far as possible. This process is primarily used on aluminum …
124List of NFL nicknames — The following are nicknames throughout the history of the NFL. Contents 1 Teams 2 Players 3 Places 4 Fans 5 …
125Hot air ballooning — is the activity of flying hot air balloons. Attractive aspects of ballooning include the exceptional quiet (except when the propane burners are firing), the lack of a feeling of movement, and the bird s eye view. Since the balloon moves with the… …
126E85 in standard engines — ExperimentalE85 has an octane rating of 105, which is higher than typical commercial gasoline mixtures (octane ratings of 85 to 98); however, it does not burn as efficiently in traditionally manufactured internal combustion engines. Additionally …
127Deforestation during the Roman period — The rise and fall of the Roman Empire encompasses the time when Rome was the leading contributor to deforestation in the Mediterranean. Whereas the Mediterranean was largely prehistoric in 1000 BC, it was definitely historic by 500 AD.[1] Roman… …
128Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
