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Half-life - Wikipedia, the free encyclopedia
Half-life is the period of time, for a substance undergoing decay, to decrease by half. The name originally was used to describe a characteristic of unstable atoms (radioactive decay), but may apply ...
en.wikipedia.org/wiki/Half-life |
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Half-Life 2 - Wikipedia, the free encyclopedia
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The halflife is the amount of time it takes for half of the atoms in a sample to decay. The halflife for a given isotope is always the same ; it doesn't depend on how many atoms you have or on how long they've been sitting around.
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Gamespy Planet site for all the Half-Life games, Half-Life, Half-Life 2, HL2, HL, Counter-Strike, Day of Deafeat, Team Fortress, Opposing Force, Blue Shift, games, News, Trailers, Screenshots, Previews, Reviews, Guides and more ... Planet Half-Life Featured Pic; Eye-popping Barney;
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Valve, the Valve logo, Half-Life, the Half-Life logo, the Lambda logo, Steam, the Steam logo, Team Fortress, the Team Fortress logo, Opposing Force, Day of Defeat, the Day of Defeat logo, Counter-Strike, the Counter-Strike logo, Source, the Source logo, Valve Source and Counter-Strike: Condition Zero are trademarks and...
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The radioactive half-life for a given radioisotope is the time for half the radioactive nuclei in any sample to undergo radioactive decay. After two half-lives, there will be one fourth the original sample, after three half-lives one eight the original sample, and so forth.
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Half-Life Calculator, exponential decay, Radioactivity ... If you want to practice using the half-life calculator, use the following data. The half-life of Radium 226 is 1,620 years. If you started with 100 grams, in 3,240 years, 25 grams would be left.
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Halflife2.net, the largest dedicated Half-Life 2 and Valve Software game fansite available! ... Remember you can submit your mod news to news@halflife2.net, or add your mod to our mod listing database here. This week: ... Ricochet a1.1 released- Source version of the highly regarded Half Life 1 mod is now available.
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