So what is the site about? Hyperphysics is a network of cross-linked articles on topics from acceleration to the Zeeman effect — essentially an online physics encyclopedia. Unlike some sites fea...
Online networking tools are pervasive, but why have scientists been so slow to adopt many of them? Michael Nielsen explains how we can build a better culture of online collaboration
The publish-or-perish ethic too often favours a narrow and conservative approach to scientific innovation. Mark Buchanan asks whether we are pushing revolutionary ideas to the margi...
Opening this special issue marking the 20th anniversary of the launch of Physics World, Matin Durrani says that the magazine still has a vital role to play in th...