Fundamental interaction and the strong interaction. Their magnitude and behaviour vary greatly, as described in the table below. Modern physics attempts to explain every observed physical phenomenon by these fundamental interactions. Moreover, reducing the number of different interaction types is seen as desirable. Two cases in point are the unification of: Both magnitude ("relative strength") and "range", as given in the table, are meaningful only within a rather complex theoretical framework. It should also be noted that the table below lists properties of a conceptual scheme that is still the subject of ongoing research. The modern (perturbative) quantum mechanical view of the
Australasian College of Physical Scientists and Engineers in Medicine Australasian College of Physical Scientists and Engineers in Medicine The Australasian College of Physical Scientists and Engineers in Medicine (ACPSEM) is a professional organisation for medical physicists, biomedical engineers and allied professionals in Australia and New Zealand. The ACPSEM was first incorporated in 1977 as the Australasian College of Physical Scientists in Medicine. The college was formed from the earlier Australian Regional Group of the Hospital Physicists Association (UK), Biophysics Group of the Australian Institute of Physics and New Zealand Medical Physics and Biomedical Engineering Association. The college was admitted to membership of the International Organization for Medical Physics in