radioactive decay also known as nuclear decay radioactivity or nuclear radiation is the process by which an unstable atomic nucleus loses energy in terms of mass in its rest frame by emitting radiation such as an alpha particle beta particle with neutrino or only a neutrino in the case of electron capture or a gamma ray or electron in the case of internal conversion.
Decay amp half life why is this chapter on halflife being presented the purpose of this chapter is to explain the process of radioactive decay and its relationship to the concept of halflife.
Radiometric dating he question of the ages of the earth and its rock formations and features has fascinated philosophers theologians and scientists for centuries primarily because the answers put our lives in temporal perspective.
Notes the site still exists but many of the pages seem to be no longer maintained and available and i have not been able to reach the original site developer robert monaghan who collected and edited the following information from use net postings.
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.
The following material has been taken from a sheet entitled several faulty assumptions are used in all radiometric dating methodscarbon 14 is used for this example which was put out by dr hovind dr hovind r1 the atmospheric c14 is presently only 13 of the way to an equilibrium value which will be reached in 30000 years this nullifies the carbon14 method as well as demonstrating.
Answer gravy this derivation is going to seem pretty indirect and it is but thats basically because e mc 2 is an accidental result from a more allencompassing theory so bear with me the length of regular vectors which could be distance momentum whatever remains unchanged by rotations if you take a stick and just turn it then of course it stays the same length.
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rock in geology naturally occurring and coherent aggregate of one or more minerals such aggregates constitute the basic unit of which the solid earth is comprised and typically form recognizable and mappable volumes rocks are commonly divided into three major classes according to the processes that resulted in their formation these classes are 1 igneous rocks which have solidified from.