Talking clocks

26 March 2019 by

Clocks are on my mind at the moment, for two reasons. Firstly, the clocks go forward in the UK this…

Perpetual motion?

25 September 2018 by

If you’ve dropped into the Royal Society lately, you may have seen on display an object that seems rather an…

180 years of 3D

14 August 2018 by

  This year marks the anniversary of the invention of the stereoscope. Even if you’re not sure what a stereoscope…