A Quote by David J. C. MacKay
The amount of energy saved by switching off the phone charger is exactly the same as the energy used by driving an average car for one second.
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It followed from the special theory of relativity that mass and energy are both but different manifestations of the same thing - a somewhat unfamiliar conception for the average mind. Furthermore, the equation E = mc², in which energy is put equal to mass, multiplied by the square of the velocity of light, showed that very small amounts of mass may be converted into a very large amount of energy and vice versa.
Humanity's future, to say nothing of its prosperity, will depend on how the world tackles two central energy challenges: securing reliable supplies of affordable energy and switching to efficient low-carbon energy.
All the energy in the universe is evenly present in all places at the same time. We don't get energy, we release energy. And the triggering mechanism to release energy is desire. When you have a strong desire to do something, you will always have the energy to do it.
I want the American people to focus on is that we can generate a tremendous amount of energy revenues as result of new taxes coming off of the energy that's underneath the ground here in the United States.
I think there's a really great amount of potential for Hawaii to become an example of what's possible with renewable energy because there are so many renewable resources here: energy, solar energy, and wind energy. There's so much potential here.
In speaking of the Energy of the field, however, I wish to be understood literally. All energy is the same as mechanical energy, whether it exists in the form of motion or in that of elasticity, or in any other form. The energy in electromagnetic phenomena is mechanical energy.
There's enormous energy required to carry grudges - enormous energy! And I'm getting too old to expend my energy that way, cause I think every person has a limited amount of energy. So I have given up all grudges.
Sexual energy is divided into three distinct types. First: the energy having to do with the reproduction of the species. Second: the energy having to do with the spheres of thought, feeling and will. Third: the energy that is found related with the world of pure Spirit.
In fact, current cosmological observations indicate that the average density of matter and energy in the universe is equal, within measurement errors, to the critical density for which the total energy of the universe was exactly zero at the beginning.
The reality is, the way we've used phones and the amount that we've used phones has changed radically in the past five years. When phones were first marketed in the 1990s, it cost, for car phones, $3000 to buy a phone and the average person did not use it that much. They were very, very expensive.
Energy is gained by giving energy. When we give energy, we gain energy. This is different than having someone manipulate you and take your energy.
Honestly, the average American spends about 52 minutes a day in commute traffic. And as much as I love driving my car and many people like driving their car, commuting has never been fun for me.
The total amount of energy we use every year - from coal, oil, natural gas, hydro, nuclear, and everything else - is dwarfed by the amount of solar energy hitting the planet each year.
We are already witnessing a transformation in the U.S. economy to increased production of lower carbon energy through fuel switching to natural gas and expansion of wind, solar, geothermal, and other renewable non-carbon intensive energy sources.
In order to lift a certain object from the ground, we have to use energy. But then to sustain it at that level, we have to keep on adding energy, or otherwise, the object falls to the ground. It's exactly the same thing with the sound.
Everything is energy. All matter is energy. Energy cannot be created or destroyed. It is the cause and affect of itself. It is evenly present in all places, at all times. Energy is in constant motion and never rests. It is forever moving from one form to another. Energy follows thought.
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