Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The centre of mass of a geometric object of uniform density.
- ‘When three sides are concurrent, they intersect at the centroid of the triangle.’
- ‘But our search of the literature did not uncover these exact formulas involving the centroid, even for three-dimensional space.’
- ‘Clearly the centroid of the planar region surrounded by the polygon is at point A.’
- ‘The volume ratio for the sphere and cylinder can be derived from first principles without using levers and centroids.’
- ‘In the first dimension of variation, both of the vectors connecting the subgroup centroids are negatively directed, whereas they are positively directed in the second.’
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.