Engineering publications brought to you by Mark Allen

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UK government gives HS2 rail network the go-ahead

Metallic conductance is seen in ferroelectric nanodomains

Inexpensive sensor can warn of lithium-ion battery failure

Sense-and-avoid systems set to aid UAVs in commercial use

Engineers produce lens that overcomes diffraction limits

Chemical energy development could lead to 'insect cyborgs'

Talking transport

Electric vehicles: a numbers game

TSB sets up innovation hub for satellite products and services

Photoacoustic device could give early warning of skin cancer

Bacteria-powered robots could explore other planets in future

Scientists unveil device to reduce livestock emissions