Half-Life
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...you got me laid on the weekend sir, i didnt have to study so i got it on, in return...i thank you :')
by
-no longer a virgin
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I love this bastard ^__^
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Now we just need a guide to kill headcrabs.
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@simon1430 chemestry and physics does involve math (physics needs more advanced math though)
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@kieran080188 what's so funny there?
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@simon1430 well chemistry is math based....
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what the fuck i have a science exam in 2 days and i learned more here than i did in a 1 month unit at school
1 month ago 3
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wow i learned more in 12 minute than i did in an hour of school
1 month ago 4
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Gracias.
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In all cases, the same probability of decay for a given unstable isotope. That means that the half-life is likewise invariant. Na23 is 15 hours, U238 is 1/4 the lifetime of the universe.
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lol gordon freeman XD awesome khana academy!
gamefreakdude89 2 years ago 24
aw why didnt I watch this when I was doing half life ? -.-
hacksign000 2 years ago 21