Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A device for focusing a stream of electrons by means of electric or magnetic fields.
- ‘The technology, called aberration correction, fixes imperfections on the microscope's electron lenses.’
- ‘An electron lens is used for focusing electrons from a cathode to an anode.’
- ‘Ruska knew that electrons could be manipulated within a magnetic field, and in the late 1920s, he designed a magnetic coil that acted as an electron lens.’
- ‘An even better way is to step an acceleration or retardation voltage in an electron lens mounted in front of the energy analyser.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.