A quadratic equation is drawn as a curve on a set of axes. This type of curve is called a parabola and it is symmetrical. To draw the graph we need coordinates. We generate these coordinates by ...

Where next? Quantum metrology, fusion and medical physics are three hot topics to be featured on Physics World Live this year. (Courtesy: iStock/shutter_m) I used to set myself the challenge every ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...