melluransa: (bill tom epic best of shoot TWIN POWER)
That's fascinating! It's crazy how bug huge things are made of tiny things. We're so big in relation to quarks, yet so small in comparison to planets and stars.
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I've always wondered what exactly fire is. It's a persistant chemical reaction, ignited by heating fuel and having it react with an element like oxygen or even flouride. Once it's started, it generates its own heat and keeps itself going. I guess what we see is energy being released.

Thanks Neatorama or bathroom reader or whoever, this was neat to read about.
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That's insane. The craziest is a childbirth centrifuge. O_O
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When you heat sand to over 500'C, it gets weird properties. Here we see how it becomes slick and fluidlike.

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melluransa

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