Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
A surface in space–time, represented as a cone in three dimensions, comprising all the points from which a light signal would reach a given point (at the apex) simultaneously, and which therefore appear simultaneous to an observer at the apex.
- ‘The future light cone represents the space that will eventually be filled by light emitted at that point.’
- ‘The easiest way to describe light rays and light cones is through geometric optics.’
- ‘His work on light cones, black holes, wormholes, and time travel were are extremely revolutionary.’
- ‘But finally, the star may shrink in a way that the light cones will bend so much that they will not be able to escape.’
- ‘Angular momentum can twist light cones and even make time travel possible in theory if not in practice.’
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.