Engineering publications brought to you by Mark Allen

The Engineer

Graphene amplifier taps into elusive terahertz gap

Parts 3D printed at speed with submicrometer details

Laser process etches anti-fouling hull surface

Handheld skin printer tackles major burns

Microneedles offer pain-free alternative to hypodermic jabs

Waste cooking oil turned into 3D printing resin

Wearable wrist device tracks metabolites via sweat

Last week’s poll: the new Global Talent visa scheme

McGill study points to improved human aorta grafts

MOFs optimised for electronic olfactory devices

Sponge-like MOFs harvest water from thin air

Bright spark reduces drag for cruising aircraft