On Fri, 04 Mar 2016 12:38:28 +0200, Marko Rauhamaa wrote: > As for the existence of a negative mass, it is interesting to note > that the (rest) mass of an alpha particle is less than the sum of the > (rest) masses of its constituents. About 1% of the mass is "missing."
https://en.wikipedia.org/wiki/Binding_energy -- https://mail.python.org/mailman/listinfo/python-list
