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koraks
Registered: 06/02/03
Posts: 26,672
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Re: what are they teaching kids these days [Re: Prisoner#1]
#14331672 - 04/22/11 03:47 AM (12 years, 9 months ago) |
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Nice chart, Devlish.
Some quick googling and sloppy comparisons suggest the following: this paper and the references cited suggest that the internal radiation dose as a result of alpha radiation caused by unstable elements in the quartz is in the range of 10mGy - 70mGy per kilo-annum (1000 years). An abdominal x-ray is about 1.4mGy. Inferring from that, wearing a 1 kg (2lb) chunk of quartz around your neck for at least 20 years would be roughly equivalent to one x-ray (not accounting for the differences in effects on different tissues, etc. etc.). Assuming you have a 30g medallion (roughly 1oz) hanging around your neck, it would require some 660 years before you got to the x-ray dose.
Again, this is extremely sloppy science, but it may help putting things into perspective.
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Psilobuds
₪


Registered: 03/23/07
Posts: 1,775
Loc:
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Re: what are they teaching kids these days [Re: saxx]
#14331923 - 04/22/11 06:34 AM (12 years, 9 months ago) |
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koraks
Registered: 06/02/03
Posts: 26,672
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Re: what are they teaching kids these days [Re: Psilobuds]
#14331943 - 04/22/11 06:45 AM (12 years, 9 months ago) |
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I've seen those rubber rings used as tube dampeners on miniature tubes to dampen microphonics
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Doc_T
Random Dude




Registered: 03/06/09
Posts: 42,395
Loc: Colorado
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Re: what are they teaching kids these days [Re: koraks]
#14331970 - 04/22/11 06:56 AM (12 years, 9 months ago) |
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"Quartz"
-------------------- You make it all possible. Doesn't it feel good?
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zergroz

Registered: 09/27/10
Posts: 500
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Re: what are they teaching kids these days [Re: skatealex2]
#14332525 - 04/22/11 09:52 AM (12 years, 9 months ago) |
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Quote:
skatealex2 said:
Quote:
Devlish2 said: They teach them how to be good parrots and strive for mediocrity.

QUICK OP, GIVE YOUR LITTLE BROTHER 2 GRAMS OF MUSHROOMS BEFORE HE IS RUINED
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saxx
Stranger

Registered: 02/08/10
Posts: 3,351
Last seen: 9 years, 9 months
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Re: what are they teaching kids these days [Re: zergroz]
#14332539 - 04/22/11 09:56 AM (12 years, 9 months ago) |
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Quote:
zergroz said:
Quote:
skatealex2 said:
Quote:
Devlish2 said: They teach them how to be good parrots and strive for mediocrity.

QUICK OP, GIVE YOUR LITTLE BROTHER 2 GRAMS OF MUSHROOMS BEFORE HE IS RUINED
He's 12 T.T
-------------------- sucking dick for drink tickets at the free bar at my cousin's bat mitzvah zappateer said: I'm not wasting time at school. I'm gaining hella knowledge and life experience, not trying to use my degree for financial gain.
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justin340
Rock Star



Registered: 05/02/07
Posts: 357
Last seen: 12 years, 9 months
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Re: what are they teaching kids these days [Re: saxx]
#14332632 - 04/22/11 10:19 AM (12 years, 9 months ago) |
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hr's projecting his thought upton your crystal. and also trying to curse you with cancer. crystals are some pretty crazy shit. maybe grind up some crystals and eat them that'd be nuts.
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saxx
Stranger

Registered: 02/08/10
Posts: 3,351
Last seen: 9 years, 9 months
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Re: what are they teaching kids these days [Re: justin340]
#14332676 - 04/22/11 10:31 AM (12 years, 9 months ago) |
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Quote:
justin340 said: hr's projecting his thought upton your crystal. and also trying to curse you with cancer. crystals are some pretty crazy shit. maybe grind up some crystals and eat them that'd be nuts.
I'd be more worried about you.
-------------------- sucking dick for drink tickets at the free bar at my cousin's bat mitzvah zappateer said: I'm not wasting time at school. I'm gaining hella knowledge and life experience, not trying to use my degree for financial gain.
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P-O
#AnyoneButHarper



Registered: 05/13/09
Posts: 13,636
Loc:
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Re: what are they teaching kids these days [Re: justin340]
#14332816 - 04/22/11 11:01 AM (12 years, 9 months ago) |
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