I didn't give up of this goal at all

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Today I realize that I can use this topic just to write down some curiosities and things that I search and discover how interesting it is!
Curiosities of my day:

- How has been created the “toothpaste”?

http://guiadoscuriosos.ig.com.br/index.php?cat_id=52503

- Lightnings in the sky + Planes (what the risk? what happens when…? – and so it goes…)
http://br.answers.yahoo.com/question/index?qid=20060824041504AANmECt
(I hate yahoo answers, but…)

However, a silly question made me discover an important thing that I didn’t know at all…
http://en.wikipedia.org/wiki/Faraday_cage