Antielement

He began his analysis by assuming that antimatter could be produced in adequate quantity — which he believes impossible or extremely expensive with present-day technology — and that antihydrogen would be the easiest antielement to produce.

In principle the energy should have been enough for the production of even heavier antinuclei. However, the probability for production of heavier masses is very tiny, and antihelium-3 is still the heaviest known antielement.

In a neutrosophic triplet set, there is a neutral element and antielement for each element.