A Quote by Neil deGrasse Tyson
There are two ways you can receive energy from your environment: One is molecules bumping against you. That's the air. The other is radiative energy. That's what you're feeling from the sun. When they say "Get out of the sun, out of the heat," the air is the same temperature; it's just you're exposed to sunlight.
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The flower draws its life energy from the soil and from the sun. We are very similar. We continuously receive energy from the earth through our feet and from the air. Energy is everywhere, like love. We just have to open ourselves up to receive it.
When air is hot, the molecules move fast and they have high kinetic energy. The colder the molecules are, the smaller their velocities are and, subsequently, their energy. Temperature is simply a way to characterize the energy of a system.
In nature the only source of energy is from the sun. So in ecological systems everything comes from the sun through the process of photosynthesis whereas now in human built environment our source of energy is from fossil fuels, renewable, wood energy or hydro-energy but it is not from the sun. So until we are able to operate and run a human built environment by imitating photosynthesis it will be a long while before we can have a true eco-system.
The general struggle for existence of animate beings is not a struggle for raw materials, these for organisms are air water & soil, all abundantly available, nor for energy which exists in plenty in the sun and any hot body in the form of heat, but rather a struggle for entropy, which becomes available through the transition of energy from the hot sun to the cold earth.
We two remake our world by naming it / Together, knowing what words mean for us / And for the other for whom current coin / Is cold speech - but we say, the tree, the pool, / And see the fire in the air, the sun, our sun, / Anybody's sun, the world's sun, but here, now / Particularly our sun.
The things that most deserve our gratitude we just take for granted. Without air we cannot live for more than a minute or two. Everyday we are breathing in and breathing out, but do we ever feel grateful to the air? If we do not drink water, we cannot survive. Even our body is composed to a large extent of water.But do we give any value to water? Every morning when we open our eyes, we see the sun blessingfully offering us light and life-energy, which we badly need. But are we grateful to the sun?
Now there is living to give instead of to get. As you concentrate on the giving, you discover that just as you cannot receive without giving, so neither can you give without receiving - even the most wonderful things like health and happiness and inner peace. There is a feeling of endless energy, it just never runs out, it seems to be as endless as air. You seem to be plugged in to the source of universal energy.
Creative energy manifests in the 'aura' of the environment - the distinct atmosphere, quality and 'air of the place.' It has a contagious effect on people. When we walk into the environment, we know immediately whether or not the energy is present. Most of us need communities as sources of motivation and vitality; and in keeping with the basic movements of energy in nature, people charge one another in positive and negative ways.
The sunlight ... that strikes Earth’s land surface in two hours is equivalent to total human energy use in a year. While much of that sunlight becomes heat, solar energy is also responsible for the energy embodied in wind, hydro, wave, and biomass, each with the potential to be harnessed for human use. Only a small portion of that enormous daily, renewable flux of energy will ever be needed by humanity.
If we use our fuel to get our power, we are living on our capital and exhausting it rapidly. This method is barbarous and wantonly wasteful, and will have to be stopped in the interest of coming generations. The heat of the sun's rays represents an immense amount of energy vastly in excess of waterpower...The sun's energy controlled to create lakes and rivers for motive purposes and transformation of arid deserts into fertile land.
The natural world around us shows the way to relief. All of life is maintained by the sun, by the air, by water, by the earth and its resources. And to whom was the sun given? To everyone. If there is any one thing that people do have in common, it is the gift of sunlight. But as the early Christians said, "If the sun were not hung so high, someone would have claimed it long ago."
Heat energy of uniform temperature [is] the ultimate fate of all energy. The power of sunlight and coal, electric power, water power, winds and tides do the work of the world, and in the end all unite to hasten the merry molecular dance.
We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy - sun, wind and tide. ... I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that.
Oh no, I never do much ironing, except the outside clothes. We must not iron out the fresh air and sunshine, you know. It is much more healthful not to, the doctors say.” Seriously, there is something very refreshing about sheets and pillow slips just fresh from the line, after being washed and dried in the sun and air. Just try them that way and see if your sleep is not sweeter.
The transition from coal, oil, and gas to wind, solar, and geothermal energy is well under way. In the old economy, energy was produced by burning something - oil, coal, or natural gas - leading to the carbon emissions that have come to define our economy. The new energy economy harnesses the energy in wind, the energy coming from the sun, and heat from within the earth itself.
Local order in parts of the universe is always possible at the expense of heat and disorder dissipated to the external environment. The human body is one example: we take in energy from our environment to build up complex molecules that help power our bodies, and, in doing so, we release heat to the world around us.
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