|Posted: 01 January 2009 at 12:31am | IP Logged
In the late 1960’s, many people in North America turned their attention to environmental problems, and new steel-and-glass
skyscrapers were widely criticized.WoW Gold, Ecologists pointed out that a cluster of tall
buildings in a city often overburdens public transportation and parking lot capacities.
Skyscrapers are also lavish consumers, and wasters, of electric power. In one recent year, the addition of 17 million square
feet of skyscraper office space in New York City raised the peak daily demand for electricity by 120,
wow power leveling,000 kilowatts-enough to supply the entire city of Albany, New York, for a day.
Glass-walled skyscrapers can be especially wasteful. The heat loss (or gain)through a wall of half-inch plate glass is more than
ten times that through a typical masonry wall filled with insulation board. To lessen the strain on heating and air-conditioning
equipment,Cheap WoW Gold, builders of skyscrapers have begun to use double-glazed panels of
glass, and reflective glasses coated with silver or gold mirror films that reduce glare as well as heat gain. However, mirror-
walled skyscrapers raise the temperature of the surrounding air and affect neighboring buildings.
Skyscrapers put a severe strain on a city’s sanitation facilities, too. If fully occupied, the two World Trade Center towers in
New York City would alone generate 2.25 million gallons of raw sewage each year-as much as a city the size of Stanford,
Connecticut , which has a population of more than 109, 000.
Sleep is very ancient. World Of Warcraft gold,In the
electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may extend back as
far as the reptiles.
There is some evidence that the two types of sleep, dreaming and dreamless, depend on the life-style of the animal, and that
predators are statistically much more likely to dream than prey, which are in turn much more likely to experience dreamless sleep.
In dream sleep, WoW Gold,the animal is powerfully immobilized and remarkably
unresponsive to external stimuli. Dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to
a sound when apparently fast asleep. The fact that deep dream sleep is rare among pray today seems clearly to be a product of
natural selection, and it makes sense that today, when sleep is highly evolved, World Of Warcraft
gold,the stupid animals are less frequently immobilized by deep sleep than the smart ones. But why should they sleep deeply
at all? Why should a state of such deep immobilization ever have evolved?
Perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic
mammals in genera seem to sleep very little. There is, by and large, no place to hide in the ocean. Could it be that, rather than
increasing an animal’s vulnerability, the University of Florida and Ray Meddis of London University have suggested this to be the
case. It is conceivable that animals who are too stupid to be quite on their own initiative are, during periods of high risk,
immobilized by the implacable arm of sleep. aoc gold,The point seems particularly clear for
the young of predatory animals. This is an interesting notion and probably at least partly true.2
Sleep is very ancient