Forced to run a labyrinth of carbon atoms uniquely arranged in twisted stacks, electrons do some rather peculiar things.

Whether you believe in the energy of crystals or are awe-struck by their beauty, you can give these stones a sure try.

Puzzling effects Two quantum simulations have revealed unexpected behaviour at quantum phase transitions. (Courtesy: Shutterstock/Inna-Bigun) Unexpected behaviour at phase transitions between ...