Engineering publications brought to you by Mark Allen

Electronics

Alarm device helps partially sighted to walk and avoid collisions

Piezo device harvests energy from sound

Liquid metal manoeuvred into new applications

Spinal X-ray image analysis to aid early osteoporosis detection

E-borders fiasco highlights the need for expert scrutiny

Artificial retina made from biocompatible graphene

Project aims for accurate 'premonition' of fire

Collaborative 3D content created in Hyve-3D

Imports warning for UK gas production

M2M beyond the enterprise: the rise of the connected SME

Rosetta stone for understanding science application

Origami robot inspired by protein folding