Mobilis in mobili

1 May 2018 by

Here is an unexpected discovery, made in a roundabout way. I’d noticed recently that our picture database is a little…

john Harrison's H4 watch

Longitude

15 September 2014 by

Recently, a new book in the Royal Society library caught my eye. Ships, Clocks & Stars: The Quest for Longitude…

Keith Lucas FRS

An airborne pioneer

8 March 2014 by

This year we’re commemorating the start of the First World War in 1914, and from time to time we’ll be…