Ultimately, the goal of Hackaday is to shine a light on the incredible projects coming from the hardware hacking community. In the vast majority of cases, said projects end up being one-off creations ...

Just as an octopus can change colours and contort its body, so materials built by a 3D printer can alter their hues and morph into new forms. Qingping Liu at Jilin University in Changchun, China, Lei ...