Nitric oxide dietary supplements enhance blood flow and have proved to be helpful for people seeking to get into shape, although not for athletes and people already in shape. Herbalife Heart Health - Niteworks - Nitric Oxide
Nuclear fusion - The nuclear binding energy curve. The formation of nuclei with masses up to Iron-56 releases energy, while forming those that are heavier requires energy input. This is because the nuclei below Iron-56 have high binding energies, while the heavier ones have lower binding energies, as illustrated above.