Engineering publications brought to you by Mark Allen

Electronics

Researchers develop laser light source for mobile projectors

Filter uses nano-antennas to precisely control colour output

Electronic tagging system could replace barcodes

Power Felt can convert heat into an electrical current

Team moves towards all-fibre optical comms network

Mobile device could help drug users modify their behaviour

Company looks to reduce bulk of soldiers' comms systems

Transistor comprises a single atom within a silicon crystal

Oral device could give spinal patients more independence

Sensor offers diagnostic data on recent orthopaedic surgery

Global-positioning system uses cameras instead of satellites

McLaren Applied Technologies chief Geoff McGrath