axion

Time flies, but in which direction and why?

Few facts of experience are as obvious and pervasive as the distinction between past and future. We remember one, but anticipate the other. If you run a movie backwards, it doesn’t look realistic. We say…


Should we be looking for the puny 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…


Dark matter, right before your very nose?

Like a classic detective story, the saga of dark matter continues to revolve around circumstantial evidence. Astronomical observations point to unseen mass, but we don’t know what it is. Several experiments are underway to catch…