theoretical

The study, published in Proceedings of the National Academy of Sciences, provides the theoretical foundation that could eventually lead to new electronic devices controlled by simple magnets.

Their work demonstrated that tunnelling can happen not only in a more theoretical world, but also in electrical circuits in the 'real world'.

Some people can live for many years with MND, including theoretical physicist Stephen Hawking, who was diagnosed at the age of 22 and lived to 76.

Richard Horne, chief executive of National Cyber Security Centre, said cyber attacks may sound theoretical and technical, but have "real world impact on real people".

When Anni Albers published her theoretical magnum opus “On Weaving” in 1965, she was already lamenting the loss of our tactile sensibilities, which have undeniably worsened in the digital era.