Phase diagram can be constructed that show the effect of more than two variables on the phase of a substance. Phase diagrams can use other variables in addition to or in place of temperature, pressure and composition, for example the strength of an applied electrical or magnetic field, and they can also involve substances that take on more than just three states of matter. One type of phase diagram plots temperature against the relative concentrations of two substances in a mixture called a "binary phase diagram", as shown at right. Such a mixture can be either a solid solution, eutectic or peritectic,
Only a Game 2018, WBUR announced that Bill Littlefield was "hanging up his cleats." He hosted his final episode as regular host, after 25 years of hosting Only a Game, on July 28, 2018. No regular followup host has yet been announced. Guests on "Only a Game" have included John Updike, former U.S. Poet Laureate Robert Pinsky, commentator Bud Collins; current and former athletes Muhammad Ali, Kristine Lilly, former U.S. Senator Bill Bradley, Bill Russell, Oscar Robertson, Lenny Wilkens, and Kareem Abdul-Jabbar; and coaches Pat Summitt and Geno Auriemma. Only a Game Only a Game is a weekly sports program distributed by National