Molecular hydrogen occurs in two isomeric forms, one with its two proton spins aligned parallel (orthohydrogen), the other with its two proton spins aligned antiparallel (parahydrogen). At room temperature and thermal equilibrium, hydrogen consists of approximately 75% orthohydrogen and 25% .
Orthohydrogen hydrogen has non zero spin, this is bad for Ni/H LENR because the non zero spin wastes magnetic energy by producing RF radiation. Parahydrogen hydrogen has zero spin. This is good for Ni/H LENR because this type of hydrogen is magnetically inactive. This is a way to increase parahydrogen hydrogen by using a noble metal catalyst. see Catalytic process for ortho-para hydrogen conversion http://www.google.com/patents/US3383176 Could this metallic ruthenium and certain ruthenium alloys be Rossi's secret sauce?

