One of the mysteries of the English language finally explained.
(of a lens) with one surface plane and the opposite one concave.
- ‘Plano-concave axicons are made of a plano surface in combination with a concave conical surface.’
- ‘This tutorial explores lens action in plano-concave lenses when the object faces the flat side of the lens.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.