Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A simple eyepiece consisting of two separate planoconvex lenses, used chiefly in refracting telescopes of long focal length.
- ‘The Ramsden eyepiece is essentially a Huygens eyepiece with the bottom lens element reversed.’
- ‘This is a variation on the Huygens eyepiece, and has a two piece achromatised eye lens.’
- ‘The binocular or optional trinocular viewing head is equipped with several Huygens eyepieces and can be rotated to any position and secured with a lock screw.’
- ‘A few minutes of adjusting the tripod and selecting from my wide assortment of Huygens eyepieces, I had the projection system set up.’
- ‘These are better than Huygens eyepieces, but not by much.’
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.