The Cahier line that mimics the Field Notes style is a pretty stiff bit of cardboard and the stitch style means it doesn’t fold ... paper. On their popular models, including all the pocket ...

Bioengineer Manu Prakash and his team at Stanford University have designed a light microscope that not only fits in your pocket but costs ... It turns out people can fold paper quite accurately ...

Laser-cut paper coated in conductive materials ... These rhombi, which can fit in the palm of one's hand and fold up to be stored in a wallet or pocket, generate electricity when a person presses ...