13 setembro 2011

apagão: um destes dias

"[...]Imagine a world without electricity. Even for just a week. Imagine New York City with no electricity, or Los Angeles, or Sao Paulo. Within 72 hours, most cities around the world will devolve into total chaos, complete with looting, violent crime, and runaway fires. And if you think you can just drive away from the chaos, think again: The solar flare will fry all automobiles that rely on ignition electronics, which means probably 98% of the vehicles on the road today will be instantly rendered scrap metal (or plastic, as it turns out).

There are 440 nuclear power plants operating across 30 countries around the world today. There are an additional 250 so-called “research reactors” in existence, making a total of roughly 700 nuclear reactors to be dealt with." [...]

" [...] Now imagine the scenario: You’ve got a massive solar flare that knocks out the world power grid and destroys the majority of the power grid transformers, thrusting the world into darkness. Cities collapse into chaos and rioting, martial law is quickly declared (but it hardly matters), and every nation in the world is on full emergency.

But that doesn’t solve the really big problem, which is that you’ve got 700 nuclear reactors that can’t feed power into the grid (because all the transformers are blown up) and yet simultaneously have to be fed a steady stream of emergency fuels to run the generators the keep the coolant pumps functioning.

How long does the coolant need to circulate in these facilities to cool the nuclear fuel? Months. This is also the lesson of Fukushima: You can’t cool nuclear fuel in mere hours or days." [...] - The Intel Hub.