Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A closed surface with only one side, formed by passing one end of a tube through the side of the tube and joining it to the other end.
- ‘Gluing the top of the Möbius band to the bottom would give you a compact Klein bottle, a complicated shape that is impossible to draw properly in three dimensions.’
- ‘The Klein bottle is a very precise mathematical construct.’
- ‘I've never summoned up enough nerve to ask Martin if he chose the house for its address or for its topology, which I suspect on close examination would prove similar to a Klein bottle.’
1940s: named after Felix Klein (1849–1925), the German mathematician who first described it.
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.