Eating sugary food, drinking alcohol and smoking are legal. But politicians still use laws to discourage them. What can justify such paternalism? 'Killjoys' reviews the justifications that have been offered: from the idea that people are irrational to the idea that they are compelled by advertising to harm themselves.  Meer

Semiconductor device modelling has developed in recent years from being solely the domain of device physicists to span broader technological disciplines involved in device and electronic circuit design and develop­ ment.  Meer