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The Maximum Power Principle

Lotka and Odum In 1922, Lotka proposed a ‘law of maximum energy’ for biological systems. He reasoned that what was most important to the survival of an organism was a large energetic output in the form of growth, reproduction, and maintenance. Organisms with a high...

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The EROI energy multiplier hypothesis

A common narrative in EROI discourse is the energy multiplier hypothesis. The reasoning is that it doesn’t matter what the EROI is, providing it’s greater than unity. From this reasoning, it follows that even very low EROI’s (say 1.2:1) aren’t a problem because you...

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What does the loss of Hazelwood mean for reliability

Fairfax reported that "Victoria is facing an unprecedented 72 days of possible power supply shortfalls over the next two years following the shutdown of the Hazelwood plant next week." This was picked up by other media but a little more sense was injected by Giles...

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A biophysical perspective of IPCC integrated models https://t.co/enzmDQT693 via @georgejetson762

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