What is energy?

10 Posts
Mar 1, 2009 12:45 pm
What is energy?

What is energy? According to Physics theory, energy is defined as the amount of work that can be carried out by a force. Energy is a physical scalar (meaning that direction is not accountable) quantity. The SI (international system) unit for energy is Joule (J). Petroleum is a source of energy. It refers to the crude oil derived from Mother Earth. Processing crude oil gives refined products like gasoline, heating oil, diesel fuel and many others. In our daily lives, there are many refined products from petroleum ranging from food items to medicine! For further information, refer to http://www.renewableenergytoday.org
 
Mar 1, 2009 03:48 pm
Re: What is energy?

E=mc2
E = energy
m = mass
c = celeritas: Latin meaning "swiftness." In this case the speed of light in a cold hard vacuum. 671,000,000 miles per hour.
2 = in this case, to square or multiply an amount by itself.

Energy equals mass times the speed of light squared.

So, to answer your question Gina Roberts, energy is mass, mass is energy, they are one in the same. There is mass in light and light can be defined as pure energy. We and everything around us was at one time light and, we and everything around us will eventually return to being light.

http://www.crystalinks.com/gordianknot.html

"The human mind is not capable of grasping the Universe. We are like a little child entering a huge library. The walls are covered to the ceilings with books in many different tongues. The child knows that someone must have written these books. It does not know who or how. It does not understand the languages in which they are written. But the child notes a definite plan in the arrangement of the books---a mysterious order which it does not comprehend, but only dimly suspects."
A quote from the late Albert Einstein. May God rest his soul.

http://dbs2000ad.com/narayan/egghead-personality.htm

Personally, I have a tendency to see things from a perspective that, where and what we are, is somewhere within a macroscopic-microscopic continuum. If we could have a microscope powerful enough we may just be able look so far as to see the back of our head as we peer into the microscope and vise-versa.

http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/index.html
 
Mar 1, 2009 03:56 pm
Re: What is energy?

Could what we have come to know as "gravity" be one and the same as what we know to be "molecular cohesion"?
 
28 Posts
Mar 2, 2009 12:00 am
Re: What is energy?

Not to get picky, but...

the speed of light is 186,451 miles per second, or - in science - 300,000,000 meters per second.

John
 
10 Posts
Mar 2, 2009 03:35 am
Re: What is energy?

Thomas, Einstein 's theory of relativity referred to rest energy mass, E. His point was that there was some amount of energy proportional to the mass of body...E=mc2.Mass is matter!Mass is not energy!Energy is mass and mass is energy is a new theory, Thomas, not dear Einstein 's...mass can be destroyed...energy cannot,only transformed into another form..
« Last Edit: Mar 2, 2009 03:42 am by gina roberts »
 
10 Posts
Mar 2, 2009 03:45 am
Re: What is energy?

No, they are different...gravity and molecular collision....just like mass is not energy...I suppose that you are looking from a philosophical view...energy is light, we are light...spiritual view?

According to Physics, nah....

http://www.renewableenergytoday.org
« Last Edit: Mar 2, 2009 10:15 pm by gina roberts »
 
28 Posts
Mar 2, 2009 11:13 am
Re: What is energy?

OOPS! Made a mistake.

After over 45 years in science and engineering, I'm used to seeing the speed of light in meters per second or, occasionally, miles per second, but never miles per hour.

Thus, I thought Mr. Schmidt's number was wrong.  My mistake. His calculation for miles per hour is correct, plus or minus a few thousand miles per hour.
 
10 Posts
Mar 2, 2009 10:06 pm
Re: What is energy?

OOPS! Made a mistake.

After over 45 years in science and engineering, I'm used to seeing the speed of light in meters per second or, occasionally, miles per second, but never miles per hour.

Thus, I thought Mr. Schmidt's number was wrong.  My mistake. His calculation for miles per hour is correct, plus or minus a few thousand miles per hour.


I was wondering about your answer. I checked Thomas' comment and noted that he mentioned the speed of light(vacuum) in miles per hour. I am also used to "meters per second" measurement. But, I do have to say that your comment "about plus or minus a few thousand miles per hour " was a really nice way of putting it(it does make much difference in actual scientific calculation....)

Regards,

gina

http://www.renewableenergytoday.org
« Last Edit: Mar 2, 2009 10:12 pm by gina roberts »
 
Mar 7, 2009 01:14 pm
Re: What is energy?

Thomas, Einstein 's theory of relativity referred to rest energy mass, E.

His point was that there was some amount of energy proportional to the mass of body...E=mc2.

Mass is matter!

Mass is not energy!

Energy is mass and mass is energy is a new theory, Thomas, not dear Einstein 's...
mass can be destroyed...
energy cannot,only transformed into another form..

Exactly. Einstein showed that mass and energy are really two different forms of the same thing; the "vanishing" mass of the protons and neutrons is simply converted to energy.
 Now, think about what happens when mass is "destroyed," as you say. It does not disappear from the universe. It is still there. Perhaps in a different state such as particulate solids or maybe as plasmas. Maybe some other state that we humans and our limited knowledge of the electromagnetic spectrum cannot discern as of yet. Without knowing which mass and its type of "destruction" I cannot even guess but nature is a closed system. If we could add up all the mass and energy that's around before and after a nuclear reaction, you'll find that the totals come out exactly the same.

Matter - That which has mass and occupies space.
Mass - The property of a body that causes it to have weight in a gravitational field.
Energy - A thermodynamic quantity equivalent to the capacity of a physical system to do work and vice versa.

So if we are to believe that mass and energy are not one and the same then which came first?
Unless of course you think that energy and mass just appears from nowhere by some miracle or perhaps, sorcery. Sorry.
As far we know mass consists of matter which consists of known elements which have their own atom and when an atom is split the result is a release of energy. 

We and everything in the know universe consist of matter or mass or elements or energy or light its all the same, only each in its own right, or by will of God, is distinct and unique.

"I want to know God's thoughts; the rest are details." Smiley
 
Mar 8, 2009 12:29 pm
Re: What is energy?

As for the speed of light, I would defer to  "the Heisenberg uncertainty principle" that says you cannot simultaneously know the exact location and the exact speed of anything, including atoms. 671,000,000 miles per hours is just a number I threw into the "ring" as an indication of reference. My apologies.

As for any philosophical or spiritual connection to our being creatures of light. I suppose there are some in a romantic sense but for the sake of this thread its intent was used for the purpose of illustrating that we and everything around is a part of the known universe and that we and everything around us in that known universe is made of the same "stuff", call it, "stardust" if you like and light being the most purest form of that "stuff", nothing more.

Now as for gravity and molecular cohesion being one and the same. I will leave that "up in the air" for its has nether been prooven or disprooven. That is why it was framed as a question not a statement of fact. If what we know as the electromagnetic spectum is in actuality a continuum, then why can't macroscopy and microscopy also be a continuum?

Is it so incredible to want to believe that where and what we are in this seemingly endless universe is just the smallest part of something way larger than we could ever conceive of? While in the same instant of time the largest part of something smaller than we could ever conceive of?
http://drjudywood.com/articles/a/gravity/gravity.html

"We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality."
Albert Einstein. Smiley
 
10 Posts
Mar 9, 2009 03:04 am
Re: What is energy?

Thomas, Einstein 's theory of relativity referred to rest energy mass, E.

His point was that there was some amount of energy proportional to the mass of body...E=mc2.

Mass is matter!

Mass is not energy!

Energy is mass and mass is energy is a new theory, Thomas, not dear Einstein 's...
mass can be destroyed...
energy cannot,only transformed into another form..

Exactly. Einstein showed that mass and energy are really two different forms of the same thing; the "vanishing" mass of the protons and neutrons is simply converted to energy.
 Now, think about what happens when mass is "destroyed," as you say. It does not disappear from the universe. It is still there. Perhaps in a different state such as particulate solids or maybe as plasmas. Maybe some other state that we humans and our limited knowledge of the electromagnetic spectrum cannot discern as of yet. Without knowing which mass and its type of "destruction" I cannot even guess but nature is a closed system. If we could add up all the mass and energy that's around before and after a nuclear reaction, you'll find that the totals come out exactly the same.

Matter - That which has mass and occupies space.
Mass - The property of a body that causes it to have weight in a gravitational field.
Energy - A thermodynamic quantity equivalent to the capacity of a physical system to do work and vice versa.

So if we are to believe that mass and energy are not one and the same then which came first?
Unless of course you think that energy and mass just appears from nowhere by some miracle or perhaps, sorcery. Sorry.
As far we know mass consists of matter which consists of known elements which have their own atom and when an atom is split the result is a release of energy. 

We and everything in the know universe consist of matter or mass or elements or energy or light its all the same, only each in its own right, or by will of God, is distinct and unique.

"I want to know God's thoughts; the rest are details." Smiley


Before I start on my reply, I have to say something, "Boy, you really know how to keep a thread going!".And the other is a question, "Do you have a degree in Physics or Engineering?"

My comment:
It is not as simple as that. Einstein did not say that it is the same thing. It is a matter of perspective!Just like Einstein never acknowledged or rejected the idea of GOD.
E=mc2 is precisely that!

But, I do agree with you that matter in essence is not detroyed(since you really want to go deep!)..it changes into another form, etc....in essence it cannot be lost because E=mc2......as proven by the nuclear theory you mentioned, total remains the same though the calculation is more complex(some research into the complexities of the universe is stll necessary as proven by Stephen Hawkings..is that his name?sorry, i am having flu so my mind is not sharp!). But, yes, the nuclear theory you mentioned has been proven..

Energy came first...GOD told me that!Just joking!Mass was formed from Energy..not sorcery!But, since I believe in GOD(he is the source of energy, formless, infinite and being able to take any form(matter!)),GOd created the universe(matter!) from energy!If I am not mistaken, there was an article in the Scientist magazine which brought up this matter in Einstein and other great scientists' perspective.

If there are any typo mistakes, please ignore them...I am having flu....BTW, did you get my point? Or did I confuse you?
« Last Edit: Mar 9, 2009 06:00 am by gina roberts »
 
10 Posts
Mar 9, 2009 04:07 am
Re: What is energy?

As for the speed of light, I would defer to¬  "the Heisenberg uncertainty principle" that says you cannot simultaneously know the exact location and the exact speed of anything, including atoms. 671,000,000 miles per hours is just a number I threw into the "ring" as an indication of reference. My apologies.

As for any philosophical or spiritual connection to our being creatures of light. I suppose there are some in a romantic sense but for the sake of this thread its intent was used for the purpose of illustrating that we and everything around is a part of the known universe and that we and everything around us in that known universe is made of the same "stuff", call it, "stardust" if you like and light being the most purest form of that "stuff", nothing more.

Now as for gravity and molecular cohesion being one and the same. I will leave that "up in the air" for its has nether been prooven or disprooven. That is why it was framed as a question not a statement of fact. If what we know as the electromagnetic spectum is in actuality a continuum, then why can't macroscopy and microscopy also be a continuum?

Is it so incredible to want to believe that where and what we are in this seemingly endless universe is just the smallest part of something way larger than we could ever conceive of? While in the same instant of time the largest part of something smaller than we could ever conceive of?
http://drjudywood.com/articles/a/gravity/gravity.html

"We should take care not to make the intellect our god; it has, of course, powerful muscles, but no personality."
Albert Einstein. Smiley

Heisenberg error is a bit ahhh big?so, that is why your error was a bit big...understood!

Sorry. But, it has been proven.

"The terms gravitation and gravity are mostly interchangeable in everyday use, but a distinction may be made in scientific usage. "Gravitation" is a general term for the attraction that bodies with mass have to one another, while "gravity" refers specifically to the net force bodies such as the Earth have on objects in their vicinity, including the effect of the Earth's rotation. Modern physics describes gravitation using the general theory of relativity, in which gravitation is a consequence of the curvature of spacetime, which governs the motion of inertial objects. The simpler Newton's law of universal gravitation provides an excellent approximation for most calculations.
Every planetary body (including the Earth) is surrounded by its own gravitational field, which exerts an attractive force on all objects. Assuming a spherically symmetrical planet (a reasonable approximation), the strength of this field at any given point is proportional to the planetary body's mass and inversely proportional to the square of the distance from the center of the body.

The strength of the gravitational field is numerically equal to the acceleration of objects under its influence, and its value at the Earth's surface, denoted g, is approximately expressed below as the standard average.

g = 9.8 m/s2 = 32.2 ft/s2


Cohesion¬  or cohesive attraction or cohesive force is a physical property of a substance, caused by the intermolecular attraction between like-molecules within a body or substance that acts to unite them. Water, for example, is strongly cohesive as each molecule may make four hydrogen bonds to other water molecules in a tetrahedral configuration. "-extract


Please do not confuse them!

http://www.renewableenergytoday.org
« Last Edit: Mar 9, 2009 06:05 am by gina roberts »
 
10 Posts
Mar 9, 2009 04:29 am
Re: What is energy?


So, to answer your question Gina Roberts, energy is mass, mass is energy, they are one in the same....these are your very words!Mass=energy? is what you are saying with that sentence. Got it? But, in reality, E=mc2, so mass is not energy, Einstein!in terms of language and interpretation, it is WRONG!Einstein made it clear that matter is a "form" of energy(and it is not as simple as that!). There is a multiplication with quantums of light!!!!!!!!!!
Einstein 's theory should not be taken literally!It is deeper than that!

With regards to mass being destroyed, my meaning is that mass being destroyed is a term used in examples of nuclear explosion etc. In reality, mass cannot be destroyed as already proven by Einstein, E=mc2. But, mass can take other forms(and this is simply put!). So, please do not start giving contexts for them!Meaning, it goes back to the definition of mass!

There are still many theories with regards to Big Bang. Literally speaking, it is a black hole right now.

It is my belief that GOD created this world from energy. And so far, noone not even Einstein or even Hawkings can refute that!Perhaps, you can investigate and come up with answers that are perplexing in nature....

BTW, are you a Physics or Engineering graduate?If you are an Eng. grad., what did you specialise in?

http://www.renewableenergytoday.org





 
10 Posts
Mar 9, 2009 04:39 am
Re: What is energy?

Hi, Thomas. Sorry if I sounded a bit strong...I am having flu...

http://www.renewableenergytoday.org
 
Mar 9, 2009 06:26 am
Re: What is energy?

It is easy enough for you and I to keep repeating ourselves essentially saying to one another "I am right and your wrong" but somehow, I think nobody at this forum really cares. On what grounds do you assume to stand over me and ask that I validate myself Gina Roberts? You have offered no such validations on yourself. You have only asked that we pity you for your flu.

Take care of yourself Gina Roberts. Flu virus's are something that never really go away. We only build up an immunity to them or they build up an immunity to our medications. (Do I get an argument on that?)

I apologies to the readers of this forum if my behaviour here has put anyone at odds, including you Gina Roberts. It was not my intent.

If there is anybody following this thread and you want to know more about the physics of mass and energy and make up your own mind, just look it up and learn. You decide which is real and which is an illusion. Watching us pick nits and arguing for the pure sake of arguing is not a means to an end. It is simply, arguing.

Good bye.
 
10 Posts
Mar 9, 2009 07:15 am
Re: What is energy?

It is easy enough for you and I to keep repeating ourselves essentially saying to one another "I am right and your wrong" but somehow, I think nobody at this forum really cares. On what grounds do you assume to stand over me and ask that I validate myself Gina Roberts? You have offered no such validations on yourself. You have only asked that we pity you for your flu.

Take care of yourself Gina Roberts. Flu virus's are something that never really go away. We only build up an immunity to them or they build up an immunity to our medications. (Do I get an argument on that?)

I apologies to the readers of this forum if my behaviour here has put anyone at odds, including you Gina Roberts. It was not my intent.

If there is anybody following this thread and you want to know more about the physics of mass and energy and make up your own mind, just look it up and learn. You decide which is real and which is an illusion. Watching us pick nits and arguing for the pure sake of arguing is not a means to an end. It is simply, arguing.

Good bye.

Oh, dear. I asked you to excuse me for my typo errors or coming on a bit strong.

I did not mean it as validation of you. Based on your posts, I gathered that you are not from such a background. I was merely wondering...hence, my question to you...

You are very much interested in the mysteries of the universe. I understand that. When you do not ask questions, you do not get answers. Brainstorming is one way of getting good answers...

Sorry if you took it personally. It so happens that I am from such a background. So, I was merely answering your questions

And there is nothing to argue. The theories have been proven. It is in the book of physics.


Thanks for your concern about my flu. No arguments(as you say!) on biological matters.

Anyway, thanks for keeping the thread going. Hopefully, you find the answers you are seeking!

Regards,

Gina Roberts
 
220 Posts
Mar 9, 2009 07:25 am
Re: What is energy?

thanks for the information as well as the entertainment.

 the news broke several years ago that orville wright did not have a valid pilots license that cool december day back in 1903 at kitty hawk. now there are rumors going around that neither of the brothers had aeronautical degrees from an accredited university! oh the nerve, who did they think they were?

in jest, dave
« Last Edit: Mar 9, 2009 07:30 am by david ames »
 
10 Posts
Mar 9, 2009 09:32 am
Re: What is energy?

thanks for the information as well as the entertainment.

 the news broke several years ago that orville wright did not have a valid pilots license that cool december day back in 1903 at kitty hawk. now there are rumors going around that neither of the brothers had aeronautical degrees from an accredited university! oh the nerve, who did they think they were?

in jest, dave

No problem. Thomas was worried that noone was really paying attention. He might be happy to know that we entertained you.

BTW, Orville Wright & Bro did carry out many EXPERIMENTS (trial and error!)and read about relevant stuff & UNDERSTOOD THE PRINCIPLES,ETC. That REALLY MAKES A DIFFERENCE FOR AN INVENTOR!But, did you know that a little knowledge can be dangerous?It is not a matter of degree, etc. After all, there are many self-learned people who have created history!Hope that you got my point!
« Last Edit: Mar 9, 2009 09:50 am by gina roberts »
 
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