| 1. | This prevents the body from oxidizing food to produce useful energy.
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| 2. | However, a militarily useful energy is achieved with as little as several kilojoules.
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| 3. | Take nuclear power; you can't take useful energy out of a nuclear bomb!
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| 4. | In addition, exergy, which is a measure of useful energy can be used.
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| 5. | Once, our self-obsession had a certain vitality and could be mistaken for useful energy.
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| 6. | This makes it the ideal ingredient in the process of creating biogas and recovering useful energy.
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| 7. | He viewed coal as a useful energy source and needed material for establishing railroads within the district.
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| 8. | Assuming heat engine extraciton of useful energy from a fusion reactor, there will be a transfer material.
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| 9. | This means that less fuel needs to be consumed to produce the same amount of useful energy.
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| 10. | In other words, in any natural process there exists an inherent tendency towards the dissipation of useful energy.
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