Ok its not boring anymore. The Eastern seaboard blackout honestly had nothing to do with terrorism and this has nothing to do with this topic. So I will finish this post and you can delete it due to its irrelevance to the topic or you can set up a new thread where this will fit in. I am a part of the Institute of Electronics and Electrical Engineers (IEEE). At my local chapter meeting a few months back we had one of the head engineers of one of the power grids invovled in the blackout come and explain exactly what happened in the blackout with voice transcripts of phone calls, computer printouts, powerpoint, the whole 9 yards. Now what happened to the best of my ability to remember and explain was the fact that two generators were down for routine repair. That means all the other generators contributing to the power grid are required to pick up the slack. So far everything is normal and routine. this is right before peak power usage time, when the power being generated needs to be the most. So a little before the blackout a tree limb cathces a powerline and they have to shut off the power going through that line and re route it so it can be fixed. Everything is still routine. But the problem begins when the power is rerouted the generator it is rerouted to is now being overworked so the system shuts it down before it damages the generator. The bad thing about this is it is a very very large capacity generator so now you have tons of other generators trying to make up for the loss of this big one. Another thing about power transmission is you can't send too much power through powerlines or else they overheat and sag and the power companies will now how much they are saggina t any given time. Now when these other generators start trying to make up for the loss of this huge one the powerlines begin to overheat and sag they begin to get caught in trees and what not and more powerlines have to be shut off. In a matter of minutes you have a massive blackout. Now why did it affect the Eastern seaboard? The power being supplied all over continental America is shared. the power grids and companies are connected together through networks. except for Texas. The lonestar state wnated to be independent of all the other power networks. So Texas has one power network. So when one network begins to fail, so do others. Luckily the entire US was not affected because other networks west of the seaboard just cut off the connections they have to the other networks or burdened their generators just enough to fight the blackouts move westward without taking themselves out. Now will you please trust the word of someone who is actually in the field?