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Dual image

Two-colour pixels let you draw pair of images in the same space

22 September 2017

Pixels created with pinholes in aluminium can change colour under different light, which may be useful for fighting forgeries and for storing data

3D-printed alloys could lead to lighter planes that fly further

3D-printed alloys could lead to lighter planes that fly further

20 September 2017

Modern aeroplanes are held together with thousands of rivets and fasteners. That could change soon, thanks to 3D-printed weldable alloys

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