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ant (Member Profile)

newtboy (Member Profile)

Cars Are Tougher Than I Thought.

chingalera says...

Volgas are made of some thick Ruskie steel.

Shit man, Michael Bay couldn't have asked for a better on-the-cheap stunt.....cheap Russian car takes out truck, fire and everything!!

These collapsing cooling towers will make you sad!

AeroMechanical says...

The thing with looking at the danger of nuclear power is you have to make a more complicated comparison. It's not just nuclear power or "safe."

For fossil fuels you have to consider every:

* Oil spill, Oil Rig Fire, other fossil fuel related disasters (tanker truck fires, gas station fires, CO poisoning in houses, etc.) Recall for instance, in New Orleans during the flood the contents of refinery storage tanks were spread all over the city, and the Deep Water Horizons disaster that killed more people than Fukishima and caused fantastic amounts of ecological damage.

* The broad diffuse pollution of fossil fuel power stations and refineries (including particulates, global warming from C02, other heavy metals and nastiness released). This is released not only from power stations, but every tailpipe of the millions of cars in the world.

* The damage caused by getting fossil fuels out of the ground. Drilling, fracking, strip mining for coal, and the nastiness released from this.

* Wars. (ie. fossil fuels are running out, but we got enough fissile material to last a long, long time--not that there couldn't be wars over this too (lots of it is in unstable parts of Africa)).

In short, fossil fuels do a huge amount of damage, it's just not as acute and widely reported as when something goes wrong with nuclear, and doesn't carry the same, often irrational, fear that the media loves so much. For instance, some area of land infused with heavy metals is just as unlivable as an area of land infused with radioactive substances, but one we accept as normal pollution, and the other is worldwide, front page news.

The overall comparison is very complicated. My inclination is to think nuclear is better, but that's difficult because it involves mostly *potential* problems, not actual quantifiable problems as with fossil fuels. There will probably never be a good study comparing the two given how much irrational fear and corporate interest is involved.

Wind, solar, and geothermal are very nice and should always be part of the equation, but it's pretty well accepted that it can't actually come near to replacing fossil fuels or nuclear in terms of energy output at any cost.

"Building 7" Explained

marinara says...

>> ^Ryjkyj:

I think the main point of this video, which wasn't explained very clearly, is that the water resources would've been stretched to the max. Fighting so many fires in such a large area at the end of Manhattan could potentially have made the building's sprinkler/standpipe system practically worthless. I'm surprised they didn't stress that point. But I think that's what they mean by saying that no building like that ever burned "uncontrollably". That's what makes it a unique situation.
I'm not sure how old building seven was but I used to be a project manager for a major construction firm in NYC. And I can tell you that the fireproofing regs have changed a lot over the years. Not to mention, NYC's department of buildings is huge, and there's not a lot of checks and balances. If you know what you're doing, you can get an examiner to ignore just about anything. And people either make mistakes, or intentionally bypass the building code all the time. Especially the big companies who build the big buildings. The bigger and older your company is, the more you can get away with.
That's the first time I've ever heard of/seen that penthouse footage as well. I'm not an engineer but I think that was pretty compelling.


http://www.dykon-blasting.com/faqs.htm#implode
In a controlled demolition, the interior structures are removed first, in order to make the building fall inward. This video frames this fact as being against the theory of controlled demolition. How misleading.

Also this video compares a tanker truck fire to an office fire. Still need for someone to explain how a burning stack of coffee filters generates the same heat as a truck filled with 9000 gallons of fuel.

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