Half-life

Sephiroth2kSephiroth2k Join Date: 2002-04-21 Member: 481Members, Constellation
in Off-Topic
just a little random posting... im at school, and quite bored.
half-life is half the time it takes for a cell to decay
lambda is i think the distance between wavelengths... im not sure...
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  • DunsbyDunsby Join Date: 2002-08-01 Member: 1042Awaiting Authorization
    I learnt what half-life was the other week aswell lol. <!--emo&:)--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=':)'><!--endemo-->
    it halfs and halfs and halfs and bla bla bla cant be bothered to think or get my book just for a post!

    P.S: 700th post yay.
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  • richard_of_richardlandrichard_of_richardland Join Date: 2002-05-29 Member: 687Members
    it's not half the time it takes for a cell to decay, it's the time it takes for half the cells to decay, lol.

    And lambda isn't the distance between wavelengths, lol, it's the wavelength itself <!--emo&:p--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt=':p'><!--endemo-->

    close though <!--emo&:p--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt=':p'><!--endemo-->
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  • CrouchingHamsterCrouchingHamster Join Date: 2002-08-17 Member: 1181Members
    Half-life...

    <a href="http://www.colorado.edu/physics/2000/isotopes/radioactive_decay3.html" target="_blank">http://www.colorado.edu/physics/2000/isotopes/radioactive_decay3.html</a>
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  • Sgt_XSgt_X Join Date: 2002-03-01 Member: 261Members
    ?

    Half-Life has nothing to do with any part of biology to the best of my knowledge. It is the time it takes for half a radio active to decay. Things with long half-lives take a long time to decay while ones with short half-lives decay in days or even minutes, and are usualy only found in lab conditions.
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  • TychoCelchuuuTychoCelchuuu Anememone Join Date: 2002-03-23 Member: 345Members
    <!--QuoteBegin--Sgt. X+Oct. 23 2002,07:15--></span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td><b>Quote</b> (Sgt. X @ Oct. 23 2002,07:15)</td></tr><tr><td id="QUOTE"><!--QuoteEBegin-->?

    Half-Life has nothing to do with any part of biology to the best of my knowledge. It is the time it takes for half a radio active to decay. Things with long half-lives take a long time to decay while ones with short half-lives decay in days or even minutes, and are usualy only found in lab conditions.<!--QuoteEnd--></td></tr></table><span id='postcolor'><!--QuoteEEnd-->
    Who said anything about biology?
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  • Nemesis_ZeroNemesis_Zero Old European Join Date: 2002-01-25 Member: 75Members, Retired Developer, NS1 Playtester, Constellation
    Oh, and Lambda is also a constant factor in just about every equation of the chaos theory.
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  • saint0zsaint0z Join Date: 2002-10-16 Member: 1505Members, Constellation
    <!--QuoteBegin--Nemesis Zero+Oct. 23 2002,10:58--></span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td><b>Quote</b> (Nemesis Zero @ Oct. 23 2002,10:58)</td></tr><tr><td id="QUOTE"><!--QuoteEBegin-->Oh, and Lambda is also a constant factor in just about every equation of the chaos theory.<!--QuoteEnd--></td></tr></table><span id='postcolor'><!--QuoteEEnd-->
    woah, theres a constant in every equation of the chaos theory, doesn't that defeat the point? <!--emo&:p--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/tounge.gif" border="0" valign="absmiddle" alt=':p'><!--endemo-->
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  • richard_of_richardlandrichard_of_richardland Join Date: 2002-05-29 Member: 687Members
    It's also a very common variable name for any parameter in maths, along with mu and sigma, it's just easy to pick and hard to mix up. <!--emo&:)--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=':)'><!--endemo-->
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  • GwahirGwahir Join Date: 2002-04-24 Member: 513Members, Constellation
    biology came up because they were saying cells
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  • RobRob Unknown Enemy Join Date: 2002-01-24 Member: 25Members, NS1 Playtester
    Lambda is a Greek letter.  A variable, just like X, Y, Z, Beta, Alpha, Theta.

    It could mean or be anything.
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  • GwahirGwahir Join Date: 2002-04-24 Member: 513Members, Constellation
    but is most often used as wavelength as a convention.
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  • Hand_Me_The_Gun_And_Ask_Me_AgainHand_Me_The_Gun_And_Ask_Me_Again Join Date: 2002-02-07 Member: 178Members
    Lambda's also used to represent the decay constant, which is an easier way of calculating the activity of a radioisotope.

    Actually, if you look at the Half-Life box, it's got one of the equations on the front...

    <i>t</i>½ = ln 2 / lambda

    Where <i>t</i>½ is the half-life in seconds... <!--emo&;)--><img src="http://www.natural-selection.org/iB_html/non-cgi/emoticons/wink.gif" border="0" valign="absmiddle" alt=';)'><!--endemo-->

    [edit]Why can't Ikonboard do TeX formatting?[/edit]
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  • Josiah_BartletJosiah_Bartlet Join Date: 2002-07-04 Member: 880Members, Constellation
    I get confused because of Half Life.

    I always think that the symbol for it is lambda.

    Damn you Sierra! I dropped Chemistry because of you!(not really)
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  • Sephiroth2kSephiroth2k Join Date: 2002-04-21 Member: 481Members, Constellation
    the a in half life is the lambda symbol is it not?
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  • JediYoshiJediYoshi The Cupcake Boss Join Date: 2002-05-27 Member: 674Members
    Would it even be considered an "A"?
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  • LongtoothLongtooth Join Date: 2002-07-02 Member: 863Members
    On the topic of facts:
    Why is a rifle called a rifle?
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  • TychoCelchuuuTychoCelchuuu Anememone Join Date: 2002-03-23 Member: 345Members
    Because it's rife with... oh, forget it.
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  • TychoCelchuuuTychoCelchuuu Anememone Join Date: 2002-03-23 Member: 345Members
    Because it's rife with... oh, forget it.
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  • TychoCelchuuuTychoCelchuuu Anememone Join Date: 2002-03-23 Member: 345Members
    Because it's rife with... oh, forget it.
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  • TychoCelchuuuTychoCelchuuu Anememone Join Date: 2002-03-23 Member: 345Members
    Because it's rife with... oh, forget it.
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  • CrouchingHamsterCrouchingHamster Join Date: 2002-08-17 Member: 1181Members
    <!--QuoteBegin--Longtooth+Oct. 24 2002,04:39--></span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td><b>Quote</b> (Longtooth @ Oct. 24 2002,04:39)</td></tr><tr><td id="QUOTE"><!--QuoteEBegin-->On the topic of facts:
    Why is a rifle called a rifle?<!--QuoteEnd--></td></tr></table><span id='postcolor'><!--QuoteEEnd-->
    I thought it was because the process of cutting the spiral grooves into the barrel that make the bullet spin is called "rifling"?

    Top of me head answer, could be lunacy...
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