Famous carbon dating examples
Calibration of carbon back to almost 50, years ago has been done in several ways.
Figure 1 Lingenfelter's paper was written inbefore the cycles of C variation we described had been fully documented.
It needs to be remembered that they were perfectly happy with the integrity of the tests until the tests returned the 'wrong' date.
Partial contamination, say of a block of wood, may affect its different parts to different degrees.
Once the organism dies, however, it ceases to absorb carbon-14, so that the amount of the radiocarbon in its tissues steadily decreases.
So the events we see today actually occurred hundreds of thousands to millions of years ago.
And it has been close to a hundred years since the uranium decay rate was first determined.
Washed or not, evidently there was blood flowing freely from all of Jesus' wounds, not just the lower ones due to gravity, which is difficult to explain. Yet we have since re-discovered that nails through the hands will not support the weight of a crucified body.
The amount of bacteria required is unrealistic, it could not pass unnoticed and the samples were all expertly cleaned, using different methods.