Last year, scientists demonstrated that twisted bilayer graphene—a material made of two atom-thin sheets of carbon with a slight twist—can exhibit alternating superconducting and insulating regions.

If you are a fan of CSI or other forensic-investigation TV dramas, you could be forgiven for thinking that all the minute details of a violent crime can be deduced simply by looking at the pattern of ...

Twisting again: magic-angle bilayer graphene. Courtesy: Pablo Jarillo-Herrero Two years ago a team of researchers at the Massachusetts Institute of Technology (MIT) in the US kicked off the field of ...