2 ms·Close; the half-life of tritium is 12.3 years, at which point it turns into stable helium-3.by pjscott 6y agoClose; the half-life of tritium is 12.3 years, at which point it turns into stable helium-3.RedShift1 6y agoDon't we have a helium shortage? Can we not capture this?pjscott 6y agoThis is a common way of producing helium-3, but much more expensive than getting the more common helium-4 isotope as a byproduct of methane mining.