No practical limit to the speeds fiber can deliver, he says.

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With questions about whether the plant can restart, mounting costs and who picks up the tab, "there is a practical limit to how much we can absorb of that risk, " Craver said.

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Up until recently, and barring the use of Bluetooth headsets, the constraints defining the upper practical limit of a phone included the ability to fit into a pocket and be held against the side of an (adult) head to facilitate a voice call.

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Any realistic, practical plan to limit tax expenditure cuts to a high-income group would require a phase-in of the cuts or other accommodations, which would add to marginal tax rates, reduce the potential revenue gain, and make the resulting tax change more regressive.

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Ideally, we would limit marginal rates, but this is not practical in a simple backstop like the AMaxT.

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What this all means in practical terms is that Newcomb and Lu have managed to limit the time required to render thousands of 3D surfaces to only a fraction of those 16.666 milliseconds, giving them the room to fill in the balance with believable physics (and who knows what else, eventually.) And physics equations themselves are incredibly efficient descriptions of movement.

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Ideally, we would limit this economic damage as well, but this is also not practical in an alternative maximum tax.

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