Polaroid’s 20×24 cameras, built in the late 1970s and named for the dimensions of their snapshots — 20 by 24 inches, are the largest living Polaroid cameras in the world. (There was once an even bigger one with 40×80 snapshots but the film has run out.) Five of these 20×24 cameras still exist, and one … Continue reading The 20×24 Studio featured on Science Friday.