this is known as baseload cycling and its cost ranges from $ 2 to $ 23 per megawatt hour this also reduces the environmental friendliness of wind power because a coal fired or natural gas power plant must be kept online in case there s no wind two plants are running to do the job of one
Accelerometer in an iPhone. Definition: An accelerometer is a sensor which measures the tilting motion and orientation of a mobile phone. The Apple iPhone was the first popular mobile phone to make the accelerometer a key feature of its user interface. The accelerometer is used to ensure photographs are presented in the correct way - portrait or landscape - depending on the way the phone is held. Accelerometers are also increasingly used as a means of user input, most noticeably in games where tilting and rotating the handset can control onscreen action.
Top 10 facts about the world. A mobile device, or handheld, is an electronic device that enables some kind of computing, and which is small enough to be easily carried around. These devices are quite pervasive nowadays. Commonly used mobile devices include cell phones, Personal Digital Assistants (PDAs), and multimedia players. Their uses are not only varied, as given below, but also growing day by day.