Kapitza apparently realized that the energy densities of lightning balls were of the magnitude required to initiate nuclear fusion.
(the magnitude; required; to initiate nuclear fusion) (Kapitza; apparently realized; that the energy densities of lightning balls were of the magnitude) Context(Kapitza apparently realized,List([0, 27))):(the energy densities of lightning balls; were; of the magnitude)
Kapitza apparently realized,List([0, 27))
the magnitude Kapitza the energy densities of lightning balls
required apparently realized were
to initiate nuclear fusion
that the energy densities of lightning balls were of the magnitude
of the magnitude