Paper artist Lisa Nilsson mimics the internal organs and bones that make up human and animal anatomy–all with tightly coiled bits of paper. Here’s how. Nilsson is an artist whose latest work is a ...

When I was a kid, I learned that there was a limit to the number of times a piece of paper could be folded. It was a lesson in exponential growth, the idea being that each fold doubles the paper's ...

Introduction Does your community have single-stream recycling, which allows you to mix materials into one recycling container? Have you ever wondered how those materials all get separated so they can ...

Introduction Have you ever wondered exactly how your phone, laptop or a flashlight manages to work without being plugged into a power outlet? Where does the electrical energy come from that makes all ...