Theory is a contemplative and rational type of abstract or generalizing thinking, or the results of such thinking. Depending on the context, the results might for example include generalized explanations of how nature works. The word has its roots in ancient Greek, but in modern use it has taken on several different related meanings. A theory is not the same as a hypothesis. A theory provides an explanatory framework for some observation, and from the assumptions of the explanation follows a number of possible hypotheses that can be tested in order to provide support for, or challenge, the theory.
A theory can be normative (or prescriptive), meaning a postulation about what ought to be. It provides "goals, norms, and standards". A theory can be a body of knowledge, which may or may not be associated with particular explanatory models. To theorize is to develop this body of knowledge.
As already in Aristotle's definitions, theory is very often contrasted to "practice" (from Greek praxis, πρᾶξις) a Greek term for "doing", which is opposed to theory because pure theory involves no doing apart from itself. A classical example of the distinction between "theoretical" and "practical" uses the discipline of medicine: medical theory involves trying to understand the causes and nature of health and sickness, while the practical side of medicine is trying to make people healthy. These two things are related but can be independent, because it is possible to research health and sickness without curing specific patients, and it is possible to cure a patient without knowing how the cure worked.
The game of chess is commonly divided into three phases: the opening, middlegame, and endgame. There is a large body of theory regarding how the game should be played in each of these phases, especially the opening and endgame. Those who write about chess theory, who are often but not necessarily also eminent players, are referred to as "theorists" or "theoreticians".
"Opening theory" commonly refers to consensus, broadly represented by current literature on the openings. "Endgame theory" consists of statements regarding specific positions, or positions of a similar type, though there are few universally applicable principles. "Middlegame theory" often refers to maxims or principles applicable to the middlegame. The modern trend, however, is to assign paramount importance to analysis of the specific position at hand rather than to general principles.
The development of theory in all of these areas has been assisted by the vast literature on the game. In 1913, preeminent chess historian H. J. R. Murray wrote in his 900-page magnum opus A History of Chess that, "The game possesses a literature which in contents probably exceeds that of all other games combined." He estimated that at that time the "total number of books on chess, chess magazines, and newspapers devoting space regularly to the game probably exceeds 5,000". In 1949, B. H. Wood opined that the number had increased to about 20,000.David Hooper and Kenneth Whyld wrote in 1992 that, "Since then there has been a steady increase year by year of the number of new chess publications. No one knows how many have been printed..." The world's largest chess library, the John G. White Collection at the Cleveland Public Library, contains over 32,000 chess books and serials, including over 6,000 bound volumes of chess periodicals. Chess players today also avail themselves of computer-based sources of information.
A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. As with most (if not all) forms of scientific knowledge, scientific theories are inductive in nature and aim for predictive power and explanatory capability.
The strength of a scientific theory is related to the diversity of phenomena it can explain, and to its elegance and simplicity. See Occam's razor. As additional scientific evidence is gathered, a scientific theory may be rejected or modified if it does not fit the new empirical findings; in such circumstances, a more accurate theory is then desired. In certain cases, the less-accurate unmodified scientific theory can still be treated as a theory if it is useful (due to its sheer simplicity) as an approximation under specific conditions (e.g., Newton's laws of motion as an approximation to special relativity at velocities which are small relative to the speed of light).
Dreamt up by John Bettini, the first Bullet car prototype was built in 1996 utilising a Mazda MX-5 body. The chassis was designed and fabricated by Barry Pearson; it consisted of a square-tube spaceframe onto which a 13B rotary powerplant from a Mazda RX-7 was fitted.
Two more years of development saw a number of cars built; the first V8 was powered by a TVR crate engine supplied by the customer. Bettini decided a Lexus 4LT Quadcam would be a more desirable choice and the next production run saw four normally aspirated cars built and sold.
Sprintex, a supercharger company owned by Advanced Engine Components Ltd. (AEC) was commissioned to develop a supercharger system for the new "wide-body" model released in late 1999. AEC was so impressed with the supercharged Bullet SS that they purchased the Bullet company and set up a new manufacturing facility at Yatala in Queensland Australia.
AEC decided that the new Bullet Roadster and supercharged SS models should become fully Australian Design Rules (ADRs) compliant, and they invested heavily to achieve that end on 4 December 2002. All cars built from then on were classified as genuine production models and were priced at $98,000 for the Roadster and $118,000 for the SS.
"Bullet" is a single produced by Christian Burns and Stefan Dabruck released in 2012. This single has since been remixed by KhoMha, Mischa Daniels, Dirt Cheap, Sven Kirchkof and Falko Niestolik. It is included in Burns's first solo album Simple Modern Answers.
Bullet is the nineteenth book in the Anita Blake: Vampire Hunter series of horror/mystery/erotica novels by Laurell K. Hamilton. It debuted at #2 on the New York Times Hardcover Fiction Best Seller List.
Anita Blake is back in St. Louis and trying to live a normal life-as normal as possible for someone who is a legal vampire executioner and a U.S. Marshal. There are lovers, friends and their children, school programs to attend. In the midst of all the ordinary happiness a vampire from Anita's past reaches out. She was supposed to be dead, killed in an explosion, but the Mother of All Darkness is the first vampire, their dark creator. It's hard to kill a god. This dark goddess has reached out to her here in St. Louis, home of everyone Anita loves most. The Mother of All Darkness has decided she has to act now or never, to control Anita, and all the vampires in America.
The Mother of All Darkness believes that the triumvirate created by master vampire Jean-Claude with Anita and the werewolf Richard Zeeman has enough power for her to regain a body and to immigrate to the New World. But the body she wants to possess is already taken. Anita is about to learn a whole new meaning to sharing her body, one that has nothing to do with the bedroom. And if the Mother of All Darkness can't succeed in taking over Anita's body for herself, she means to see that no one else has the use of it, ever again. Even Belle Morte, not always a friend to Anita, has sent word: "Run if you can..."
Who shot the bullet
That killed the air tonight
Without a thought, without a reason
Take a gun called hate
Up against your heart
And pull the trigger
Take a gun called hate
Up against your heart
And pull the trigger
It's over, it's only over
It's only over when we say
The smoke and the mirrors
The lies that wind your tongue
Is this oppression what we wanted or what we needed?
As we function on impatience
And our patience is wearing thin
And live a lie that will destroy us all
It's over, it's only over
It's only over when we say
It's over, it's only over
It's only over when we say
Back and to the left
Back and to the left
Back and to the left come on
And shoot motherfucker
You like this baby?
You like this baby?
You like this baby?
Just dance a little longer
It's over, it's only over
It's only over when we say
It's over, it's only over