Template:Are You Sure/June 27

... that mathematician and academic Carl Wilhelm Borchardt contributed to arithmetic-geometric mean theory, continuing work by Gauss and Lagrange?

... that The Noel Harrison Sensation (or simply The Sensation) is a fully licensed transdimensional corporation which actor Noel Harrison uses to project his sensorium, in order to experience opening nights of films by himself and his friends from novel perspectives; and that Harrison usually manifests The Sensation as a movie poster, although he occasionally manifests as a life-size cardboard figure of himself?