The expansion has been sturdy rather than fragile, growing steadily since the June 2003 tax cut despite hurricanes, rate hikes, expensive energy and constant talk of a consumer slump.
That's because meeting global energy needs requires constant investment on a scale unmatchable by economically uncompetitive sources like solar, wind and biofuels.
In conclusion, incoming energy throughout the year is constant, with no large variations, and humidity controls the balance of this energy between sublimation and melting.
If Schaefer's data hold up and the idea of a constant and pervading energy is thrown out, then what?
Instead of your heating system wasting energy and your money through constant and unnecessary use, your heating can be regulated and used far more sparingly with insulated internal and external walls.
This means that if energy is required on a constant basis then the system needs to be backed-up by conventional sources of power 73% of the time, and there are days when the back-up system is required for more than 90% of the time (In Germany, the industry association insists that renewables uptime averages 10%).
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By contrast, energy companies run their turbines continuously at constant speeds and filter the air intake against damaging particles.
Because the energy flow is not just non-constant but also erratic, the back-up systems also need to be extremely sensitive and capable of ramping up from shut-down to fully-on within a very short period of time to prevent grid instability and even collapse.
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If Dr Burgess is right, vacuum energy and dark energy are the same thing, a cosmological constant, and w is exactly equal to -1.
The energy travels in a straight line at a constant speed.
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Whether the discussion is about the cost of energy, the damage being done to the environment, or national security issues, there is one constant: everyone agrees that the world needs safe, clean, and affordable energy.
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Because it is far more efficient to unwind the spring at a constant speed, rather than stopping and starting it, this provides enough energy to run the radio for an hour.
Not everyone is convinced that wind-power is the most reliant route to clean, renewable carbon-free energy, and it is concerning that Britain is relying on a power source that must be backed up by more constant technologies such as nuclear, coal, or gas, because the wind blows inconsistently, as is its nature.
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