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Radiocarbon Comic

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So What are we<br />

learning about<br />

today??<br />

<strong>Radiocarbon</strong><br />

dating...<br />

So It can tell me<br />

how old the<br />

sweaters I got from<br />

goodwill are?<br />

RAdiocarbon dating? That's<br />

great, cause there's this<br />

<strong>Radiocarbon</strong> i've been wanting<br />

to date, but she doesn't like<br />

me all that much - what<br />

should i do?<br />

I think you should buy her<br />

flowers, but that's not what we're<br />

talking about. I mean the kind of<br />

radiocarbon dating where we take<br />

Carbon 14 atoms to determine how<br />

old something is...<br />

No - it<br />

has to<br />

be<br />

some<br />

thing<br />

much<br />

older..


Like a dinosaur fossil?<br />

No, that's too old.<br />

It has to be in the range of a couple<br />

to several thousand years old to use<br />

effectively, Because carbon 14's<br />

halflife is 5,730 years...<br />

I guess I don't get it.<br />

Maybe if I saw a bunch of<br />

people dressed like<br />

atoms demonstrating<br />

the concepts about<br />

radiocarbon dating I<br />

could inderstand it...<br />

Your words<br />

here...


These people all Represent Nitrogen 14 atoms floating<br />

around in the atmosphere - Suddenly a comic Ray comes in.<br />

then through violent collisions with atoms in the<br />

atmosphere, the cosmic ray produces an energetic<br />

neutron.<br />

dude, whereyagoin?<br />

This neutron flies<br />

into another atom of<br />

n14 and knocks out me<br />

- a proton


This just changed us to<br />

Carbon 14!!<br />

this radioactive form of carbon is<br />

incorporated into carbon dioxide that living<br />

organisms absorb through photosynthesis<br />

or ingestion. The small fraction of carbon<br />

in living organisms that is c14 stays<br />

constant until the organism dies...<br />

Then the c14 starts to<br />

decay back into n14. the<br />

ratio of c14 to c12 (a<br />

stable form of carbon)<br />

can be used to determine<br />

how long ago the plant<br />

or animal that absorbed it<br />

died. This is based on c14's<br />

halflife of 5,730 years,<br />

and the laws of<br />

radioactive decay.<br />

after the<br />

neutron<br />

knocked the<br />

proton out of<br />

the picture...


ok, I get now. but I<br />

still have one more<br />

question...<br />

what kind of<br />

flowers should I<br />

get her?<br />

radiocarbon dating was written and enacted by cosmology<br />

workshop group 1 - chantel, derek, saneel, and brad<br />

comic by nocera 2007

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