Quoting http://askville.amazon.com/dangerous-car-batteries/AnswerViewer.do?requestId=4217899 :

So the answer is simply : no, it is not dangerous to touch my car battery (though the battery can be dangerous in a lot of other ways).

I learned something today :-)

I'm I the only one who is concerned by the validity of their experiment. The last experiment lets me very dubious.

Imagine you have 3 smileys. They have similar ratings, but for sure there is one you prefer, one you rate 2nd and one you rate 3rd. Now, let's just see the result we would have for each scenario.

Rating of cards 1/2/3 ; 3rd card chosen after initial choice ; 3rd card chosen without initial choice (so just between card 2 and card 3)

1/2/3 ; False (1 chosen on first pass) ; False
1/3/2 ; True (1 chosen on first pass) ; True
2/1/3 ; False (1 chosen on first pass) ; False
2/3/1 ; True (2 chosen on first pass) ; True
3/1/2 ; True (1 chosen on first pass) ; False
3/2/1 ; True (2 chosen on first pass) ; True

Which makes in the first experiment 50% chances of choosing the third card and 66% when we made a previous "preselection". This is approximately the figures children had. Monkeys had lower 3rd card preference, maybe because they prefer to take cards in order.

About the rest of the article, I'm just as dubious. If you choose a product, for sure you rate it better. It's called the cause of you choosing it, not a consequence ...

I didn't know Civilization had been ported to ipad ...

e Bay ... well maybe. Searching ebay for 3ware escalade cards, you may find some 8 ports or 12 ports IDE controllers. With this, you should be able to connnect 20-40 drives per PC. Hard to find however, but often not so expensive (IDE cards are no more wanted).

After that, the last issue would be the power supply, but I guess this is just simple DIY.