La Jolla Library opens first-of-its-kind Idea Lab: Library to mark 120th anniversary with special events June 6

Do you know what a Roach Scope is? Presumably, most people didn’t until the grand opening of the La Jolla Library’s Idea Lab on May 25.

Designed to turn any smartphone with a camera into a microscope, the Roach Scope is a table-top device that can magnify cells pressed into a slide, or enlarge...