| 1. | half life | ||
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Half-Life is a revolutionary game for computer; more need not be said.
An element's half life is the period of time it takes for half of the radioactive isotopes to decay. It is ibnot/b/i used to describe the dissapation of something not radioactive(subliminal hintcaffeine for instance /subliminal hint) Random_Gaming_Publication: And our game of the year award goes to... Half-Life
The_rest_of_the_word: ... really? *yawn* Random_Chem_1_teacher: The radioactive half-life of carbon60 is approximately 6000 years. |
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| 2. | Half Life | ||
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1 : the time required for half of something to undergo a process: as a : the time required for half of the atoms of a radioactive substance to become disintegrated b : the time required for half the amount of a substance (as a drug or radioactive tracer) in or introduced into a living system or ecosystem to be eliminated or disintegrated by natural processes
2 : a period of usefulness or popularity preceding decline or obsolescence <slang usually has a short half-life> For americium-241, it is known that half of the atoms decay in 458 years. Therefore, 458 years is the half-life of americium-241. Every radioactive element has a different half-life, ranging from fractions of a second to millions of years, depending on the specific isotope. For example, americium-243 has a half-life of 7,370 years.
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| 3. | half life | ||
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a great pc game or,
going half life is beating the sh*t out of some one with a crowbar "i'm going to go play half life"
"i'm going to go half life on your ass" |
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| 4. | half life | ||
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The half life of a radioisotope is the time taken for the current level of radioactivity to drop to half that amount. Note that this means radioactive decay follows the curve of a decaying exponential. Oh, as mentioned, it is also somewhat of a revolutionary computer game. "As for the suit, I think you've earned it" Carbon-14 has a half-life of 5,730 years. Let's say its radioactivity 'level' at time = 0 is 2. After around 5,730, its radioactivity will be 1, After a further 5,370 years its radioactivity will be 0.5, and after yet another half life, the radioactivty would be 0.25, and so on.
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| 5. | Half life | ||
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The time it takes for you to lose your virginity. Dude did you just lose your virginity?" "Yep my half life is over."
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| 6. | half life | ||
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Slang word for smoking weed. I played so much half life last night that I found reality!
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