Image of the Week: Magnifying spheres Hydrogel spheres on a computer screen act as a magnifying lens, making individual pixels visible. Due to the shape of the sphere and the kind of wedge that is formed with the screen, interference patterns can also be observed. —Ana K. Reyes, Universidad Tecnológica de Tulancingo, Tulancingo, Hidalgo, Mexico *Link in Bio #spheres #hydrogel #magnifying #lens #pixels