[ExI] THE END for nuclear power
pharos at gmail.com
Wed Mar 30 19:47:36 UTC 2011
On Wed, Mar 30, 2011 at 5:12 PM, Richard Loosemore wrote:
> I didn't bother to reply this originally (Jeff's crtique was directed at
> me), but now that you have replied, let me add to Kelly's cogent analysis by
> saying that what happens in this case is that even if the tsnuami barrier is
> strong enough to withstand the force (which I worked out to be roughly
> 700,000 Newtons/square meter), and even if it can cope with the scouring,
> there is still the problem of overtopping: the water will not be
> *reflected* back by the wall, it will build up behind it, because it is
> travelling at 50 mph.
> As a result, the depth will just increase behind the wall until it goes over
> the top, and all the people behind the wall -- who thought they were safe,
> because they read Jeff's analysis -- have to get out their umbrellas anyway.
This new video (5 mins) shows how the terrifying force of the tsunami builds up.
It was all recorded in the port of Kesennuma by an amateur climbed on
top of a building, right near the water. At first, the few dozen cars
that are being washed away towards an embankment don't seem like much,
and neither does the tsunami wave itself.
Once it manages to pass over the elevation protecting the road nearby,
the wave seems to get a life of its own. Tons and tons of water,
rushing in from all over the place, begin pouring onto the road, the
nearby parking lot and the city in the distance.
As the seconds pass, the height of the wave becomes so big that the
elevation which was there a minute ago is completely submerged. The
cars in the parking lot are taken away and forced against a building,
while in the distance a truck, which had been resisting the water,
loses the battle and gets carried away as well.
With the increase in size, the wave catches speed as well, becoming
more and more violent as the time passes. Now, alongside cars and
boats, entire buildings are levelled and their remains float away in a
mixture of water, metal and wood that seems will never end.
More information about the extropy-chat