“Some astrophysicists have convinced themselves that the fifth significant figure of the fine structure constant has changed over the past ten billion years.”

“Tapestries are made by many artisans working together. The contributions of separate workers cannot be discerned in the completed work, and the loose and false threads have been covered over. So it is in our picture of particle physics.”

“Some astrophysicists have convinced themselves that the fifth significant figure of the fine structure constant has changed over the past ten billion years.”