Dark horse of the dark matter hunt

Dark matter might be made up of a type of particle not many scientists are looking for: the axion. The ADMX experiment seems to be an exercise in contradictions. Dark matter, the substance making up 85 percent of all the mass in the universe, is invisible. The goal of ADMX is to detect it by turning it into photons, particles of light. Dark matter was forged in the early universe, under conditions of extreme heat. ADMX, on the other hand, operates in extreme cold. Dark matter comprises most of t...