And there are ways to spread that out over a long period of time.

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Both the New York Times and the Wall Street Journal are reporting that Apple is working on a watch-like device. iWatch has been in the rumor mill for a long time, but now the rumor has gained more credibility being spread by these august outlets.

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"For too long we have been trying to to cover rotas of doctors which spread the time and attention of these key doctors too thinly, " he said.

BBC: Health minister statement

Dr Lieu supposed that light, travelling over very long distances, would have to spread out a bit if there was any uncertainty in time.

ECONOMIST: Planck-scale physics

In other words, by the time the computer has worked out how the fire will spread, the forecast is already long out of date.

ECONOMIST: Next, the fire forecast

But they call for special attention due to the implications of spread of radioactivity with long term consequences including genetic effects on the population and the long time span required to bring back normalcy to the environment.

FORBES: [See update below]