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Ten minutes with the inventor of 3D printing

Hailing the driverless taxi

None more black: UK engineers create world's darkest material

New holograms provide a sense of depth

July 1878: The invention of the microphone

Competition, innovation and picking races

Reconfiguring robots learn to look after themselves

Staying audible above electioneering

The week ahead: Training, entrepreneurs and submariners

'Nanojuice' helps to shed light on gastrointestinal ailments

Farnborough International Airshow: a look ahead

Structural change strengthens materials