3D-Printed Gadget Lets Kids Turn Smartphone into Microscope

A 3D-printed smartphone microscope system is making microbiology interactive by allowing schoolkids to experiment and play games with light-seeking microbes. The so-called LudusScope borrows its name from the Latin word "ludus," which means "play," "game" or "elementary school." The device looks similar to a standard microscope, but can be docked with a smartphone and features LED lights controlled with a joystick. Students use these to influence the swimming direction of Euglena microbes, which