In this video I talk about an amazing type of metal called a shape memory alloy. The specific one in this video is called nitinol. It is an alloy of nickel and titanium. It forms an amazing structure ...

David Smith, a retired print technician from the north of England, was pursuing his hobby of looking for interesting shapes when he stumbled onto one unlike any other in November. When Smith shared ...

‘The spectre’: one of the extraordinary new repeating shapes discovered by a British pensioner – Copyright AFP Sam Yeh David Smith, a retired print technician ...