A halflife usually describes the decay of discrete entities such as radioactive atoms in that case it does not work to use the definition that states halflife is.
A further example from a lava flow off the coast of hawaii shows similar discrepancies if dated with the carbon14 method the flow appears to be less than 17000 years old but dating with the potassium argon method gives dates of 160000 to 43 million years.
What is phet founded in 2002 by nobel laureate carl wieman the phet interactive simulations project at the university of colorado boulder creates free interactive math and science simulations.
How radiometric dating works in general radioactive elements decay gradually into other elements the original element is called the parent and the result of.
helium from greek ἥλιος translit helios lit sun is a chemical element with symbol he and atomic number 2 it is a colorless odorless tasteless nontoxic inert monatomic gas the first in the noble gas group in the periodic tableits boiling point is the lowest among all the elementsafter hydrogen helium is the second lightest and second most abundant element in the.
Dr hovind g1 the assumption that the geologic column is a base from which to calibrate the c14 dates is not wise g1with a halflife of only 5730 years carbon14 dating has nothing to do with dating the geological ages whether by sloppiness or gross ignorance dr hovind is confusing the carbon14 clock with other radiometric clocks.
Heroes and villains a little light reading here you will find a brief history of technology initially inspired by the development of batteries it covers technology in general and includes some interesting little known or long forgotten facts as well as a few myths about the development of technology the science behind it the context in which it occurred and the deeds of the many.
Latest environmental news features and updates pictures video and more.
radiometric dating a christian perspective by dr roger c wiens from 19901997 wiens was a staff scientist in the division of geological and planetary sciences at the california institute of technology caltech today he is a member of the space physics team at the los alamos national laboratory in new mexico his article is hosted by the american scientific affiliation asa.