Education For years teachers have been battling against the use of mobile phones in class. But that is changing as schools start to embrace the sophisticated technology many of their pupils carry in their pockets. At its most simple, teachers allow students to use the internet for research. But imaginative lessons take it a step further. One teacher describes a history lesson that required students to do mock archaeology around the classroom to find hidden quick-response barcodes. Once found, the students scanned them with their smartphones and video clips about the subject appeared on their screens. And it is not just secondary schools. Increasingly, primary schools are using iPads and other tablet computers, which are quick to set up and young children take to because they are so intuitive. But the uptake has been painfully slow. Valerie Thompson is head of the e-learning foundation that helps schools to provide children with computers. "Schools are the last...
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