It probably doesn't help me concentrate, but as long as it's just instrumental, it doesn't bother me. With vocal songs, I get too involved in the lyrics.
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Behaviorism - 0 views
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philosophical position that says that psychology, to be a science, must focus its attentions on what is observable
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first signal system is where the conditioned stimulus (a bell) acts as a “signal” that an important event is to occur
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cond signal system is when arbitrary symbols come to stand for stimuli, as they do in human language.
D-Day 1944 - 0 views
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The music industry | From major to minor | The Economist - 0 views
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the results from 2007 confirm what EMI's focus group showed: that the record industry's main product, the CD, which in 2006 accounted for over 80% of total global sales, is rapidly fading away.
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For the first half of 2007, sales of music on CD and other physical formats fell by 6% in Britain, by 9% in Japan, France and Spain, by 12% in Italy, 14% in Australia and 21% in Canada.
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“In 2007 it became clear that the recorded-music industry is contracting and that it will be a very different beast from what it was in the 20th century,”
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The Energy Story - Chapter 15: Solar Energy - 0 views
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solar power plants, like the one in the picture to the right in California's Mojave Desert, use a highly curved mirror called a parabolic trough to focus the sunlight on a pipe running down a central point above the curve of the mirror.
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California's Mojave desert, there are huge rows of solar mirrors arranged in what's called "solar thermal power plants"
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night and on cloudy days they burn natural gas to boil the water so they can continue to make electricity.
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form of solar power plants to make electricity is called a Central Tower Power Plant, like the one to the right - the Solar Two Project.
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light is reflected back to the top of the tower in the center of the circle where a fluid is turned very hot by the sun's rays.
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two surfaces are joined by a connector, like a wire, a current of electricity occurs between the negative and positive sides.
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individual solar cells are arranged together in a PV module and the modules are grouped together in an array.
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energy can be stored in a battery for an emergency roadside cellular telephone when no telephone wires are around.