On Thu, 17 Sep 2009 18:22:20 +0100, Norman Wells wrote:

You clearly have no understanding whatever about the conditions required
for matter and energy to be interconverted, and no appreciation at all
of the fact that *nuclear reactions are invariably necessary*.

They must be teaching lies in physics class in schools these days.

https://www.sei.IE/Schools/Secondary_Schools/Subjects/Physics/Unit_2_-_Energy/Mass_as_Energy/

QUOTE

Conversely, even quite a large amount of energy is equivalent to a very small
amount of mass. This is why we do not notice the *increase in the mass* of a
car, for example, when it *gains speed*. The following example illustrates
just how small this increase in mass is:

UNQUOTE