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by Pavlostani » Sun Sep 15, 2013 2:31 pm
by Pandeeria » Sun Sep 15, 2013 2:31 pm
Lavochkin wrote:Never got why educated people support communism.
In capitalism, you pretty much have a 50/50 chance of being rich or poor. In communism, it's 1/99. What makes people think they have the luck/skill to become the 1% if they can't even succeed in a 50/50 society???
by New Chalcedon » Sun Sep 15, 2013 2:31 pm
by Opuntia » Sun Sep 15, 2013 2:31 pm
by Tekania » Sun Sep 15, 2013 2:31 pm
Pavlostani wrote:
The plural of person is people. And now, we get into sexism. I'm sure some are daughters of god too, otherwise, we'd all be breaking that dreaded rule in the bible about homosexuality. Don't even get me started on incest.
by Farnhamia » Sun Sep 15, 2013 2:32 pm
by DesAnges » Sun Sep 15, 2013 2:32 pm
Christian Union wrote:Edlichbury wrote:So you have no fucking idea what carbon dating does?
Cute.
You're the one with no idea, as you can't even articulate it here. Carbon dating is done by measuring the ratio of stable carbon to unstable radiocarbon in any given sample. The problem is that there's an inherent assumption that the ratio of stable to unstable carbon in the atmosphere has remained constant.
by Opuntia » Sun Sep 15, 2013 2:33 pm
by Lunalia » Sun Sep 15, 2013 2:33 pm
by Farnhamia » Sun Sep 15, 2013 2:34 pm
DesAnges wrote:Christian Union wrote:
You're the one with no idea, as you can't even articulate it here. Carbon dating is done by measuring the ratio of stable carbon to unstable radiocarbon in any given sample. The problem is that there's an inherent assumption that the ratio of stable to unstable carbon in the atmosphere has remained constant.
Radiocarbon dating is only useful up until 58,000 to 62,000 years ago.
by Edlichbury » Sun Sep 15, 2013 2:34 pm
Christian Union wrote:Edlichbury wrote:So you have no fucking idea what carbon dating does?
Cute.
You're the one with no idea, as you can't even articulate it here. Carbon dating is done by measuring the ratio of stable carbon to unstable radiocarbon in any given sample. The problem is that there's an inherent assumption that the ratio of stable to unstable carbon in the atmosphere has remained constant.
by Dyakovo » Sun Sep 15, 2013 2:34 pm
Christian Union wrote:Edlichbury wrote:So you have no fucking idea what carbon dating does?
Cute.
You're the one with no idea, as you can't even articulate it here. Carbon dating is done by measuring the ratio of stable carbon to unstable radiocarbon in any given sample. The problem is that there's an inherent assumption that the ratio of stable to unstable carbon in the atmosphere has remained constant.
Atmospheric variation
In the early years of using the technique, it was not assumed that the atmospheric 14 C/12 C ratio had been the same over the preceding few thousand years. To verify the accuracy of the method, several artifacts that were datable by other techniques were tested; the results of the testing were in reasonable agreement with the true ages of the objects. However, over the next few years significant discrepancies were found, in particular with the chronology of the early Egyptian dynasties: artifact ages derived from radiocarbon testing were several centuries younger than what were thought to be the true ages. The discrepancy was resolved by the study of tree-rings. Comparison of overlapping series of tree-rings allowed the construction of a continuous sequence of tree-ring data that spanned 8,000 years. Carbon-dating the wood from the tree-rings themselves provided the check needed on the atmospheric 14 C/12 C ratio: with a sample of known date, and a measurement of the value of N (the number of atoms of 14 C remaining in the sample), the carbon-dating equation allows the calculation of N0 (the number of atoms of 14 C in the original sample), and hence the original ratio.[24] Armed with the results of carbon-dating the tree rings it became possible to construct calibration curves designed to correct the errors caused by the variation over time in the 14
C/12 C ratio. These curves are described in more detail below. There are three main reasons for these variations in the historical 14 C/12 C ratio: fluctuations in the rate at which 14 C is created; changes caused by glaciation; and changes caused by human activity.[
by Opuntia » Sun Sep 15, 2013 2:34 pm
by Furious Grandmothers » Sun Sep 15, 2013 2:35 pm
DesAnges wrote:Christian Union wrote:
You're the one with no idea, as you can't even articulate it here. Carbon dating is done by measuring the ratio of stable carbon to unstable radiocarbon in any given sample. The problem is that there's an inherent assumption that the ratio of stable to unstable carbon in the atmosphere has remained constant.
Radiocarbon dating is only useful up until 58,000 to 62,000 years ago.
Furious Grandmothers wrote:When have scientists used carbon to date periods of 100 million years ago? I don't think any serious scientist would do something as foolish as waste research money on doing that. Show me the case. Because as far as I know, carbon dating is indeed only accurate up to within the last 50,000 years. Other techniques, though, can certainly date to 100 million years ago. Show me the case.
by Dyakovo » Sun Sep 15, 2013 2:35 pm
Farnhamia wrote:
And this thread is only useful ... dubiously ... up to the actions of the Texas BoE textbook committee.
by Pandeeria » Sun Sep 15, 2013 2:36 pm
Lavochkin wrote:Never got why educated people support communism.
In capitalism, you pretty much have a 50/50 chance of being rich or poor. In communism, it's 1/99. What makes people think they have the luck/skill to become the 1% if they can't even succeed in a 50/50 society???
by Farnhamia » Sun Sep 15, 2013 2:36 pm
by Opuntia » Sun Sep 15, 2013 2:36 pm
by Christian Union » Sun Sep 15, 2013 2:37 pm
Furious Grandmothers wrote:Christian Union wrote:
The variable would be carbon, or whatever medium was used to date any given object. To assume that the volume of carbon present in the atmosphere 100 million years ago is either A.) the same then as it is now, or B.) can somehow be estimated even though we weren't there, is the faulty assumption. Many "scientists" use such dating methods to "prove" that certain fossil samples are millions of years old, despite the inconsistencies of the dating (one test might say 50,000 years, the other might say 1 million, for example), and despite the obvious problem of making assumptions.
When have scientists used carbon to date periods of 100 million years ago? I don't think any serious scientist would do something as foolish as waste research money on doing that. Show me the case. Because as far as I know, carbon dating is indeed only accurate up to within the last 50,000 years. Other techniques, though, can certainly date to 100 million years ago. Show me the case.
by Farnhamia » Sun Sep 15, 2013 2:46 pm
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