What is the ultimate machined object? It’s something so precise, so accurate, so well-designed and functional that it represents an idea in its purest form. It could be a screw, or a microprocessor. Dead Nuts presents a selection of objects that machine-makers and enthusiasts have proposed as their choices, and asks that those of us who use these things—often unthinkingly—take a moment to bask in their well-oiled beauty. —Sarah Hotchkiss