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.
- ‘An even better way is to step an acceleration or retardation voltage in an electron lens mounted in front of the energy analyser.’
- ‘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 electron lens is used for focusing electrons from a cathode to an anode.’
- ‘The technology, called aberration correction, fixes imperfections on the microscope's electron lenses.’
Are you looking for a word for a foolish person? We explore twelve interesting words to describe the dunderheads in your life.
Before you run for the hills, let’s run through a list of ‘run’ expressions that are running through our minds.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.