There was a time when it wasn't so rare to discover an unusual, scope-like object in an electronics lab. This was the curve tracer, able to display detailed characteristic curves of many components.

Choosing the right pattern can transform your entire silhouette and make you feel absolutely radiant. The key lies in understanding how different designs interact with your body's natural curves to ...

THE review of a book on practical curve tracing in NATURE of June 9 is tantalising to one who is not in the least interested in drawing the graph of an equation, but who is frequently plotting curves ...