Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Three coordinates that define the location of a point in three-dimensional space. They are the length of its radius vector r, the angle θ between the vertical plane containing this vector and the x-axis, and the angle φ between this vector and the horizontal x–y plane.
- ‘To this end, we consider a spherical boundary, for which the Poisson equation can be solved by expanding the potential in spherical coordinates.’
- ‘We propose to develop algorithms for the calculation of synthetic seismograms for anisotropic Earth models in spherical coordinates.’
- ‘The company's virtual interface allows a user to enter, on a computer screen, the desired field vector of a three-axis magnet in Cartesian, cylindrical, or spherical coordinates.’
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.