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SCIENTIFIC LAWS and THEORIES??

E

etilit

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Einstein's theories are that...Newton's laws are that!! what makes the difference?

whats your law or theory?

mine is: I= m:p

just a sunday morning questionC:C
 

nidorino

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The point is finding a unifying theory, Einstein replaced Newtonian physics w his theory of relativity, which build upon the principles of Newton, to unify conflicting gravity and spacial theories (I think) and Einstein's theories have been worked on to create the unifying theory of String theory, which is a model that allows quantum mechanics and regular physics to coexist in the universe.

Its all really very interesting. Wish I remembered a bit more so i could explain it better.
 

jankokosec

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Newtonian mechanics is great for most systems that don't travel at very high velocities and some of certain principles discovered 300 years ago can be applied to atoms and subatomic particles, but not all. When things get really small or really fast newton fails..
 

jankokosec

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Physics is interesting but no matter how much we discover we will never answer the question whether a higher entity or laws exist or not.
 
E

etilit

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Physics is interesting but no matter how much we discover we will never answer the question whether a higher entity or laws exist or not.

true babeC:C

and all in all isnt that the true question?
 

jankokosec

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true babeC:C

and all in all isnt that the true question?

It is only a true question because of the occasional misery brought upon us by the oversized cerebrum. And because we are born explorers of the unknown. Thats how both physics and religion were born, exceptthat the latter stagnated.
 

Urban

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The difference between a law and a theory is purely historical and purely semantics. In science, a "hypothesis" is an educated guess; it's an attempt to explain a set of facts. Further testing will determine how well accepted a hypothesis becomes.

Once a hypothesis becomes supported by repeated testing and no substantial contrary evidence has ever been found, the hypothesis becomes known as a "theory". Actually, a "theory" often is a combination of a whole set of hypotheses that are all related and have all stood up to testing.

Examples of theories are: gravity, natural selection, heliocentrism, and the atomic theory. "Theory" has a MUCH different meaning in science than in the nonscientific world; when a politician says "It's ONLY a theory", he is DELIBERATELY trying to deceive the public by confusing the two meanings. In science, a theory is something that is so well tested that it becomes a central pillar of science.

Sometime in the 19th century, some physicists began to use the term "law" to refer to some theories that are universally accepted. You will almost never hear the word "law" applied to any scientific discipline other than physics, and "law" is no longer applied to any newer theories in physics either, as far as I know. Part of the reason is that, in science, any and every explanation, whether called a hypothesis, theory, or law, can be shown to be wrong, so really there is no reason to call anything a "law".

The beauty of science is that, as more facts are known, explanations for them can change. People looking for absolute, unchanging truth should look elsewhere. Science is a set of explanations that are always subject to revision as we learn more; that's why I love it!
 
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bigsal

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The difference between a law and a theory is purely historical and purely semantics. In science, a "hypothesis" is an educated guess; it's an attempt to explain a set of facts. Further testing will determine how well accepted a hypothesis becomes.

Once a hypothesis becomes supported by repeated testing and no substantial contrary evidence has ever been found, the hypothesis, it becomes known as a "theory". Actually, a "theory" often is a combination of a whole set of hypotheses that are all related and have all stood up to testing.

Examples of theories are: gravity, natural selection, heliocentrism, and the atomic theory. "Theory" has a MUCH different meaning in science than in the nonscientific world; when a politician says "It's ONLY a theory", he is DELIBERATELY trying to deceive the public by confusing the two meanings. In science, a theory is something that is so well tested that it becomes a central pillar of science.

Sometime in the 19th century, some physicists began to use the term "law" to refer to some theories that are universally accepted. You will almost never hear the word "law" applied to any scientific discipline other than physics, and "law" is no longer applied to any newer theories in physics either, as far as I know. Part of the reason is that, in science, any and every explanation, whether called a hypothesis, theory, or law, can be shown to be wrong, so really there is no reason to call anything a "law".

The beauty of science is that, as more facts are known, explanations for them can change. People looking for absolute, unchanging truth should look elsewhere. Science is a set of explanations that are always subject to revision as we learn more; that's why I love it!

:agree:
 
S

SimplyJakeAndAlex

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The difference between a law and a theory is purely historical and purely semantics. In science, a "hypothesis" is an educated guess; it's an attempt to explain a set of facts. Further testing will determine how well accepted a hypothesis becomes.

Once a hypothesis becomes supported by repeated testing and no substantial contrary evidence has ever been found, the hypothesis becomes known as a "theory". Actually, a "theory" often is a combination of a whole set of hypotheses that are all related and have all stood up to testing.

Examples of theories are: gravity, natural selection, heliocentrism, and the atomic theory. "Theory" has a MUCH different meaning in science than in the nonscientific world; when a politician says "It's ONLY a theory", he is DELIBERATELY trying to deceive the public by confusing the two meanings. In science, a theory is something that is so well tested that it becomes a central pillar of science.

Sometime in the 19th century, some physicists began to use the term "law" to refer to some theories that are universally accepted. You will almost never hear the word "law" applied to any scientific discipline other than physics, and "law" is no longer applied to any newer theories in physics either, as far as I know. Part of the reason is that, in science, any and every explanation, whether called a hypothesis, theory, or law, can be shown to be wrong, so really there is no reason to call anything a "law".

The beauty of science is that, as more facts are known, explanations for them can change. People looking for absolute, unchanging truth should look elsewhere. Science is a set of explanations that are always subject to revision as we learn more; that's why I love it!
Thank you for that detailed explanation because :), frankly even though I am scientist myself I'm kind of fed up of all those "Fake Law" when I come up with something I do call it a Theory, or Hypothesis, and that mostly is applied to Social Science as it's always involving and changing... laws of physics may at some point be very steady... but it's only years later that somebody will prove it wrong or add some new discovery to it.
 

jankokosec

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The difference between a law and a theory is purely historical and purely semantics. In science, a "hypothesis" is an educated guess; it's an attempt to explain a set of facts. Further testing will determine how well accepted a hypothesis becomes.

Once a hypothesis becomes supported by repeated testing and no substantial contrary evidence has ever been found, the hypothesis becomes known as a "theory". Actually, a "theory" often is a combination of a whole set of hypotheses that are all related and have all stood up to testing.

Examples of theories are: gravity, natural selection, heliocentrism, and the atomic theory. "Theory" has a MUCH different meaning in science than in the nonscientific world; when a politician says "It's ONLY a theory", he is DELIBERATELY trying to deceive the public by confusing the two meanings. In science, a theory is something that is so well tested that it becomes a central pillar of science.

Sometime in the 19th century, some physicists began to use the term "law" to refer to some theories that are universally accepted. You will almost never hear the word "law" applied to any scientific discipline other than physics, and "law" is no longer applied to any newer theories in physics either, as far as I know. Part of the reason is that, in science, any and every explanation, whether called a hypothesis, theory, or law, can be shown to be wrong, so really there is no reason to call anything a "law".

The beauty of science is that, as more facts are known, explanations for them can change. People looking for absolute, unchanging truth should look elsewhere. Science is a set of explanations that are always subject to revision as we learn more; that's why I love it!
Actually you'll wind the term law is very common toother scoentific fields, namely medicine and also biology, chemistry.
In a certain period of the 19th century there was a belief that everything wasdiscovered and known.
 

bigsal

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The only certainty is that there are no certainties.
Scientific law or theory?
 

nidorino

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The difference between a law and a theory is purely historical and purely semantics. In science, a "hypothesis" is an educated guess; it's an attempt to explain a set of facts. Further testing will determine how well accepted a hypothesis becomes.

Once a hypothesis becomes supported by repeated testing and no substantial contrary evidence has ever been found, the hypothesis becomes known as a "theory". Actually, a "theory" often is a combination of a whole set of hypotheses that are all related and have all stood up to testing.

Examples of theories are: gravity, natural selection, heliocentrism, and the atomic theory. "Theory" has a MUCH different meaning in science than in the nonscientific world; when a politician says "It's ONLY a theory", he is DELIBERATELY trying to deceive the public by confusing the two meanings. In science, a theory is something that is so well tested that it becomes a central pillar of science.

Sometime in the 19th century, some physicists began to use the term "law" to refer to some theories that are universally accepted. You will almost never hear the word "law" applied to any scientific discipline other than physics, and "law" is no longer applied to any newer theories in physics either, as far as I know. Part of the reason is that, in science, any and every explanation, whether called a hypothesis, theory, or law, can be shown to be wrong, so really there is no reason to call anything a "law".

The beauty of science is that, as more facts are known, explanations for them can change. People looking for absolute, unchanging truth should look elsewhere. Science is a set of explanations that are always subject to revision as we learn more; that's why I love it!

Brilliantly said.

Btw... somewhat unrelated point: i REALLY dont get why in the US some ppl pit science and religion against eachother so much. In Europe there are ton of officially catholic countries and they dont have such beef with science. The point is that science and religion are NOT mutually exclusive.
However, whenever anything related to science comes up, some americans get SUPER defensive about their religion.
 

Urban

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Brilliantly said.

Btw... somewhat unrelated point: i REALLY dont get why in the US some ppl pit science and religion against eachother so much. In Europe there are ton of officially catholic countries and they dont have such beef with science. The point is that science and religion are NOT mutually exclusive.
However, whenever anything related to science comes up, some americans get SUPER defensive about their religion.

The reason is twofold: (1) the state of science education in the US is very poor. I don't believe that anyone could grow to like science via our educational system; I got interested in science at a very early age, and my interest survived totally apart from and, truthfully, in spite of my education. This has led to a population that honestly has no idea how to evaluate scientific statements, and they are easily persuaded that their own thoughts on a scientific subject are as valid as those of scientists.

I know that sounds arrogant, but that's not how I mean it. These same people, with few exceptions, will accept the results of medical tests & the conclusions of their doctors, ditto their attorneys, tax consultants, plumbers, or gardeners, but they think, led by their religious leaders, that they know more about whether a meteor will hit the earth than astronomers do, or whether an oil well in the Gulf of Mexico is likely to rupture than engineers do. I'm not talking about the whole population here, but enough to influence American politics and therefore American policy.

(2) Along with that, a significant number of Americans believe that every word in the Bible is literally true. The universe was created in 7 days and is about 4000 years old, for example. This means theories such as the Big Bang and evolution by natural selection are impossible, so they don't believe them and make every attempt to block them from being taught in American schools. They apparently don't realize that Newton's Laws of Thermodynamics also are impossible, along with probably 85% of all other theories in physics and chemistry, or that without an understanding of evolution modern medicine also would not exist.

These people are increasingly influential in American politics and, of course, fit perfectly with the first group above. There is a very strong current in the US today of people who are anti-intellectual and anti-education. Anyone who is well-educated is viewed as an enemy, largely because educated people are able to recognize all the nonsense for what it is. Sadly, the enti-intellectuals are winning more and more people over to their side.

It's also very convenient; for example, the US, along with China, is the greatest stumbling block to action on global climate change. Why? Because enough of our politicians believe that climate change doesn't exist that our country has NO policy on it. Why is this convenient? Because that means we don't have to make any sacrifices.
 
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nidorino

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Well said. That makes a lot of sense!!!

And like u said, it makes me mad unscrupulous politicians manipulate people by feeding their ignorance to get away with their own goals instead of striving to improve on the people.:no:
 

brmstn69

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Brilliantly said.

Btw... somewhat unrelated point: i REALLY dont get why in the US some ppl pit science and religion against eachother so much. In Europe there are ton of officially catholic countries and they dont have such beef with science. The point is that science and religion are NOT mutually exclusive.
However, whenever anything related to science comes up, some americans get SUPER defensive about their religion.

America is a social-economic experiment in chaos theory...
 

bigsal

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I would add one important thing.

Applies to all religions, as for politicians.

More people are ignorant, the more you can steer and manipulate.
 
E

etilit

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i love your responses:D but than why? lets assume there is no laws or theories..where should we go? if you have nothing to think about or deal with..then what?
 

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If there's nothing to think about or deal with, you're in a nursing home; enjoy it!
 

bigsal

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i love your responses:D but than why? lets assume there is no laws or theories..where should we go? if you have nothing to think about or deal with..then what?

"The only certainty Is that there are no certainties" It is not my own work, but they repeat often scientists and researchers.

The only certainty in life is death. it is sad but we must accept it.
 
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