Engineering publications brought to you by Mark Allen

Materials

‘Unhackable’ Danish anti-counterfeiting system is built on sand

ColorFab process adds new colours to 3D printed objects

Technique triggers electronic circuits to self-destruct

Swimming microbots mimic bacterial motion for precision tasks

Photon-friendly graphene membranes mimic photosynthesis to produce hydrogen

New catalyst material could ignite fuel cell revolution

Shape memory alloy is key to morphing wings on experimental aircraft

Solid carbon fuel cells promise efficiency boost

Run2Rail to investigate carbon fibre and 3D printed parts for trains

Video of the week: Rice chemists give helping hand to carbon nanotubes

Interlocking microstructures are key to superstrong underwater adhesives

Magnetic liquid window helps buildings keep their cool